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Costa Diadema Facts: 155 Specifications & 84 Highlights
Planning a getaway? These 155 specs & features from the Costa Diadema cruise ship — including general information, dimensions & tonnage, capacity & propulsion & performance — are worth reviewing.
A fast snapshot of the Costa Diadema, covering its standout specification and what you can expect right out of the box.
Costa Diadema
Costa Diadema is a large, modern cruise ship renowned for its 1,640-foot outdoor promenade, 14 decks, and capacity for over 4,900 passengers. As a Dream-class ship, it features Italian elegance and a range of top-notch amenities.
Specifications & Facts 155
Specs measured. Drama avoided.
We put the Costa Diadema through the lens of real travel. Price, specs, feedback, and comparison with other cruise ships — all in one place.
General Information 19
Costa Diadema Ship Class
What is the ship class?
53 Costa Diadema 0 Votes Dream Class
67 Cruise Ships in this range River Cruise Ship Class
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 88Updated at 2026-03-03 00:52:06: 58
Classification or family grouping of the ship.
When it comes to Ship Class, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 14 score measurement.
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Costa Diadema Shipbuilder
Where was the ship built?
86 Costa Diadema 0 Votes Fincantieri
61 Cruise Ships in this range Fincantieri
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 90Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 100
The shipyard or manufacturer that constructed the vessel.
When it comes to Shipbuilder, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 25 score measurement.
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Costa Diadema Keel Laid Date
When was the keel laid?
65 Costa Diadema 0 Votes December 10, 2012
68 Cruise Ships in this range 2000
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 88
Year when keel was laid, marking start of construction.
When it comes to Keel Laid Date, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3 score measurement.
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Costa Diadema Christened Date
When was the cruise ship christened?
67 Costa Diadema 0 Votes November 7, 2014
68 Cruise Ships in this range 2001
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:36: 90Updated at 2026-03-03 00:52:06: 80
The date the cruise ship was officially named and introduced.
When it comes to Christened Date, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 1 score measurement.
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Costa Diadema In Service Date
When did the cruise ship enter service?
77 Costa Diadema 0 Votes November 8, 2014
69 Cruise Ships in this range 1999
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 82
Date when the cruise ship became available for use.
When it comes to In Service Date, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 8 score measurement.
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Costa Diadema Notable Event
What notable events have occurred with this cruise ship?
82 Costa Diadema 0 Votes Inaugural Voyage, COVID-19 Pandemic, Resumption of Cruises Post-COVID
71 Cruise Ships in this range Maiden Voyage
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 69
Significant event associated with the cruise ship.
When it comes to Notable Event, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 11 score measurement.
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Costa Diadema Ship Type
What type of ship is this?
66 Costa Diadema 0 Votes Cruise Ship
65 Cruise Ships in this range Cruise Ship
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 79
Defines the category of the ship.
When it comes to Ship Type, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Model Name
What is the model name of the ship?
71 Costa Diadema 0 Votes Costa Diadema
65 Cruise Ships in this range River Duchess
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 85Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 73
The commercial or marketing name of the ship.
When it comes to Model Name, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 6 score measurement.
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Costa Diadema Cruise Line
Which cruise line operates this ship?
68 Costa Diadema 0 Votes Costa
74 Cruise Ships in this range Viking River
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 87Updated at 2026-03-03 00:52:06: 84
Company operating the ship.
When it comes to Cruise Line, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema IMO Number
What is the IMO number?
56 Costa Diadema 0 Votes 9636888
57 Cruise Ships in this range 9760524
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 80Updated at 2026-03-03 00:52:06: 39
Unique international maritime identifier.
When it comes to IMO Number, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 1 score measurement.
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Costa Diadema Service Status
What is the ship’s service status?
96 Costa Diadema 0 Votes Active
93 Cruise Ships in this range Active
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 92Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 100
Current operational status of the ship.
When it comes to Service Status, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Release Year
What year was the ship released?
68 Costa Diadema 0 Votes 2014
54 Cruise Ships in this range 2015
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 85Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 79
Year when the ship entered service.
When it comes to Release Year, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 14 score measurement.
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Costa Diadema Refurbishment Year
When was the ship last refurbished?
86 Costa Diadema 0 Votes 2023
65 Cruise Ships in this range 2019
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 89
Year of the last refurbishment.
When it comes to Refurbishment Year, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 21 score measurement.
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Costa Diadema Flag State
What is the ship’s flag state?
66 Costa Diadema 0 Votes Italy
74 Cruise Ships in this range Bahamas
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 79
Legal flag state of the ship.
When it comes to Flag State, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 8 score measurement.
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Costa Diadema Country of Manufacture
In which country was the ship built?
76 Costa Diadema 0 Votes Italy
73 Cruise Ships in this range Germany
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 85Updated at 2025-12-29 04:51:20: 88Updated at 2026-03-03 00:52:06: 84
Country where the ship was built.
When it comes to Country of Manufacture, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Call Sign
What is the call sign?
65 Costa Diadema 0 Votes IBCX
69 Cruise Ships in this range V7A6860
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 78Updated at 2026-01-20 04:05:36: 80Updated at 2026-03-03 00:52:06: 89
Identifies the cruise ship with a specific maritime communication call sign.
When it comes to Call Sign, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 4 score measurement.
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Costa Diadema MMSI Number
What is the MMSI number?
247,353,700 0Votes
321,022,100.99 (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 44
Maritime Mobile Service Identity for ship identification.
When it comes to MMSI Number, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 73,668,401.0 measurement.
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Costa Diadema Sister Ships
What are this ship’s sister ships?
80 Costa Diadema 0 Votes Costa Fascinosa, Costa Favolosa, Costa Luminosa, Costa Deliziosa
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 86Updated at 2025-12-29 04:51:20: 80Updated at 2026-03-03 00:52:06: 72
Ships built to the same classdesign.
When it comes to Sister Ships, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 7 score measurement.
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Costa Diadema Yard Number
What is the yard number?
53 Costa Diadema 0 Votes 629
60 Cruise Ships in this range S.507
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2026-01-20 04:05:37: 80Updated at 2026-03-03 00:52:06: 47
Shipyard identifier used during the construction phase of the cruise ship.
When it comes to Yard Number, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 7 score measurement.
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Dimensions & Tonnage 15
Costa Diadema Length Overall
What is the ship’s length overall?
1,004 ft 0Votes
860.85 ft (Average)
Costa Diadema
1004 ft (305.7 m) is the total length of the Costa Diadema, which is roughly the length of 3 football fields combined, making it a large and spacious cruise ship.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 93
Total ship length from bow to stern.
When it comes to Length Overall, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 143.2 ft measurement.
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Costa Diadema Beam
What is the ship’s beam (width)?
122 ft 0Votes
112.52 ft (Average)
Costa Diadema
The beam, or width, of 122 ft (37.2 m) allows the ship to have ample space for its many decks, pools, and entertainment venues. This width contributes to the ship's stability in open waters.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 74
Maximum beam (width) of the ship.
When it comes to Beam, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 9.5 ft measurement.
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Costa Diadema Draft Depth
What is the ship’s draft depth?
27.4 ft 0Votes
24.21 ft (Average)
Costa Diadema
The draft depth of 27.4 ft (8.35 m) is the distance the ship sinks into the water, which helps the ship navigate in shallower waters while maintaining stability.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 46
Vertical distance between waterline and keel.
When it comes to Draft Depth, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3.2 ft measurement.
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Costa Diadema Gross Tonnage
What is the gross tonnage?
133,019 GT 0Votes
103,856.09 GT (Average)
Costa Diadema
Gross tonnage of 133,019 GT indicates the total internal volume of the ship. This makes it a large cruise ship, offering significant space for passengers and crew.
Volume of enclosed spaces, measure of overall ship size.
When it comes to Gross Tonnage, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 29,162.9 GT measurement.
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Costa Diadema Deadweight Tonnage
What is the deadweight tonnage?
10,250 DWT 0Votes
13,206.78 DWT (Average)
Costa Diadema
The deadweight tonnage of 10,250 DWT refers to the ship's cargo-carrying capacity, including fuel, provisions, and passengers. This ensures the ship can carry all necessary supplies for long voyages.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 43
Weight the ship can safely carry including cargo, fuel, crew, and passengers.
When it comes to Deadweight Tonnage, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 2,956.8 DWT measurement.
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Costa Diadema Height
What is the ship’s height from keel to mast?
213 ft 0Votes
176.74 ft (Average)
Costa Diadema
The ship’s height of 213 ft (65 m) includes the height of the superstructure above the waterline, making it comparable to an 18-story building.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 73
Overall vertical measurement from keel bottom to mast top.
When it comes to Height, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 36.3 ft measurement.
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Costa Diadema Net Tonnage
What is the net tonnage?
132,500 NT 0Votes
86,562.25 NT (Average)
Costa Diadema
The net tonnage of 132,500 NT reflects the usable internal volume, essentially the space that can be used for accommodations, dining, and other amenities.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 70
Revenue-earning volume of the ship.
When it comes to Net Tonnage, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 45,937.7 NT measurement.
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Costa Diadema Passenger Decks
How many passenger decks are there?
81 Costa Diadema 0 Votes 14
55 Cruise Ships in this range 3
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 62
Number of decks accessible to passengers.
When it comes to Passenger Decks, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 26 score measurement.
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Costa Diadema Indoor Promenade Length
What is the indoor promenade length?
19,680 inch 0Votes
5,817.22 inch (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 88
Length of the indoor promenade on the cruise ship unit.
When it comes to Indoor Promenade Length, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 13,862.8 inch measurement.
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Costa Diadema Total Decks
How many decks does the ship have?
46 Costa Diadema 0 Votes 14
48 Cruise Ships in this range 4
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2025-12-29 04:51:20: 88Updated at 2026-03-03 00:52:06: 60
Total number of decks on the ship.
When it comes to Total Decks, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 2 score measurement.
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Costa Diadema Crew Decks
How many crew decks does the ship have?
31 Costa Diadema 0 Votes 4
38 Cruise Ships in this range 1
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 54
Decks reserved for crew use.
When it comes to Crew Decks, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 7 score measurement.
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Costa Diadema Maximum Air Draft
What is the maximum air draft?
55 Costa Diadema 0 Votes 213
67 Cruise Ships in this range 23
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 89
Distance from waterline to highest point of the ship.
When it comes to Maximum Air Draft, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 12 score measurement.
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Costa Diadema Displacement
What is the ship’s displacement?
58 Costa Diadema 0 Votes 127000
64 Cruise Ships in this range 2000
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 83
Actual weight of the ship including contents.
When it comes to Displacement, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema Hull Material
What is the hull material?
46 Costa Diadema 0 Votes Steel
50 Cruise Ships in this range Steel
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 85Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 71
Material used to build the hull.
When it comes to Hull Material, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 4 score measurement.
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Costa Diadema LED Dome Length
What is the LED dome length?
1,572 inch 0Votes
27,413.71 inch (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 39
The length of the LED dome in inches for added lighting features.
When it comes to LED Dome Length, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 25,841.7 inch measurement.
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Capacity 14
Costa Diadema Passenger Capacity at Double Occupancy
What is the passenger capacity at double occupancy?
60 Costa Diadema 0 Votes 3724
65 Cruise Ships in this range 190
Costa Diadema
With a capacity of 3,724 passengers at double occupancy, the Costa Diadema can comfortably accommodate thousands of guests, ensuring ample space for each traveler.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2025-12-29 04:51:20: 90Updated at 2026-03-03 00:52:06: 86
Number of passengers based on two per cabin.
When it comes to Passenger Capacity at Double Occupancy, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 5 score measurement.
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Costa Diadema Maximum Passenger Capacity
What is the maximum passenger capacity?
64 Costa Diadema 0 Votes 4947
66 Cruise Ships in this range 190
Costa Diadema
The ship can host a maximum of 4,947 passengers, providing plenty of room for different activities, dining, and leisure options onboard.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 88Updated at 2026-03-03 00:52:06: 87
Maximum passengers with all berths filled.
When it comes to Maximum Passenger Capacity, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 2 score measurement.
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Costa Diadema Number of Cabins
How many cabins does the ship have?
59 Costa Diadema 0 Votes 1862
65 Cruise Ships in this range 95
Costa Diadema
The Costa Diadema offers a total of 1,862 cabins, which includes a variety of cabin types from standard to suites, catering to all guest preferences.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 86Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 84
Total number of cabins onboard.
When it comes to Number of Cabins, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema Lifeboat Capacity
What is the lifeboat capacity?
49 Costa Diadema 0 Votes 200
50 Cruise Ships in this range 150
Costa Diadema
The lifeboat capacity of 200 ensures that the ship has enough evacuation boats for all passengers and crew in case of an emergency.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 76
Number of passengers that lifeboats can support.
When it comes to Lifeboat Capacity, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 1 score measurement.
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Costa Diadema Suite Count
How many suites are onboard?
58 Costa Diadema 0 Votes 75
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2025-12-29 04:51:20: 88Updated at 2026-03-03 00:52:06: 64
Number of suites onboard.
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Costa Diadema Balcony Cabin
How many balcony cabins are onboard?
62 Costa Diadema 0 Votes 844
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 74
Number of cabins with private balconies.
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Costa Diadema Oceanview Cabin
How many oceanview cabins are there?
69 Costa Diadema 0 Votes 245
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2025-12-29 04:51:20: 85Updated at 2026-03-03 00:52:06: 54
Number of cabins with outside ocean views.
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Costa Diadema Inside Cabin
How many inside cabins are onboard?
68 Costa Diadema 0 Votes 668
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 95
Number of interior cabins with no outside view.
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Costa Diadema Crew Capacity
What is the crew capacity?
69 Costa Diadema 0 Votes 1253
65 Cruise Ships in this range 50
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 78
Maximum number of crew the ship can house.
When it comes to Crew Capacity, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 4 score measurement.
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Costa Diadema Passenger-to-Crew Ratio
What is the passenger-to-crew ratio?
62 Costa Diadema 0 Votes 2.95:1
66 Cruise Ships in this range 3:1
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-03-03 00:52:06: 80
Ratio of passengers to crew members.
When it comes to Passenger-to-Crew Ratio, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 4 score measurement.
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Costa Diadema Wheelchair Accessible Cabins
How many wheelchair accessible cabins are available?
36 Costa Diadema 0 Votes 31
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 85Updated at 2026-01-20 04:05:36: 80Updated at 2026-03-03 00:52:06: 58
Cabins designed for accessibility.
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Costa Diadema Public Space Ratio
What is the public space ratio?
54 Costa Diadema 0 Votes 1.01:1
62 Cruise Ships in this range 10:1
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 39
Ratio of gross tonnage to passengers, indicator of space per guest.
When it comes to Public Space Ratio, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 8 score measurement.
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Costa Diadema Max Occupancy per Cabin
What is the max occupancy per cabin?
11 Costa Diadema 0 Votes 2-3
53 Cruise Ships in this range 2
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 44
Maximum number of people per cabin.
When it comes to Max Occupancy per Cabin, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 42 score measurement.
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Costa Diadema Average Cabin Size
What is the average cabin size?
66 Costa Diadema 0 Votes 150-215
64 Cruise Ships in this range 200-250
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 62
Average square footage of passenger cabins.
When it comes to Average Cabin Size, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 2 score measurement.
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Propulsion & Performance 14
Costa Diadema Maximum Speed
What is the maximum speed?
22.5 knots 0Votes
21.6 knots (Average)
Costa Diadema
The Costa Diadema’s maximum speed of 22.5 knots (41.7 km/h) is fast enough to allow the ship to cover long distances in shorter amounts of time, optimizing time at port for excursions.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 93
Top attainable speed.
When it comes to Maximum Speed, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 0.9 knots measurement.
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Costa Diadema Stabilizers
Does the ship have stabilizers?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
The ship is equipped with stabilizers to reduce the effects of rough seas, ensuring a smoother ride even in challenging weather conditions.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether stabilizers are present to reduce motion.
When it comes to Stabilizers, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Bow Thrusters
Does the ship have bow thrusters?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Bow thrusters aid in maneuvering the ship in ports, providing more control when docking or leaving the harbor.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether bow thrusters are fitted for maneuverability.
When it comes to Bow Thrusters, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Fuel Capacity
What is the fuel capacity?
2,113,000 gal 0Votes
1,118,331.58 gal (Average)
Costa Diadema
The Costa Diadema holds 2,113,000 gallons (8,000,000 liters) of fuel, providing the necessary range to sail across different regions without frequent refueling.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 60
Maximum fuel storage capacity.
When it comes to Fuel Capacity, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 994,668.4 gal measurement.
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Costa Diadema Propulsion Type
What is the propulsion type?
96 Costa Diadema 0 Votes Diesel-Electric
81 Cruise Ships in this range Diesel-Electric
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 94
Type of propulsion system used.
When it comes to Propulsion Type, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 15 score measurement.
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Costa Diadema Number of Engines
How many engines does the ship have?
96 Costa Diadema 0 Votes 6
62 Cruise Ships in this range 2
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 100
Total count of engines onboard.
When it comes to Number of Engines, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 34 score measurement.
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Costa Diadema Engine Manufacturer
Who is the engine manufacturer?
91 Costa Diadema 0 Votes Wärtsilä
83 Cruise Ships in this range Wärtsilä
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 84
Company producing the engines.
When it comes to Engine Manufacturer, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 8 score measurement.
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Costa Diadema Total Power Output
What is the total power output?
67,200 kW 0Votes
50,637.34 kW (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 81
Combined engine output.
When it comes to Total Power Output, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 16,562.7 kW measurement.
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Costa Diadema Service Speed
What is the service speed?
20 knots 0Votes
20.02 knots (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 86
Typical cruising speed.
When it comes to Service Speed, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 0.0 knots measurement.
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Costa Diadema Propellers Count
How many propellers are there?
4 propellers 0Votes
2.27 propellers (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:06: 71
Number of propellers installed.
When it comes to Propellers Count, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1.7 propellers measurement.
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Costa Diadema Propeller Type
What type of propellers are used?
0 Costa Diadema 0 Votes Fixed
46 Cruise Ships in this range Fixed
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 39
Style of propeller system.
When it comes to Propeller Type, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 46 score measurement.
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Costa Diadema Cruising Range
What is the cruising range?
34 Costa Diadema 0 Votes 2000
53 Cruise Ships in this range 1000
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 61
Maximum range without refueling.
When it comes to Cruising Range, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 19 score measurement.
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Costa Diadema Fuel Type
What fuel does the ship use?
41 Costa Diadema 0 Votes HFO, MDO
52 Cruise Ships in this range MDO
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 57
Type of fuel used.
When it comes to Fuel Type, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 11 score measurement.
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Costa Diadema Azipod Propulsion
Does the ship use Azipod propulsion?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 77Updated at 2026-03-03 00:52:06: 55
Indicates if ship uses podded propulsion.
When it comes to Azipod Propulsion, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
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Safety & Regulations 10
Costa Diadema Safety Certification Standard
What safety certification standard is met?
36 Costa Diadema 0 Votes SOLAS
48 Cruise Ships in this range SOLAS
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 39
Standard certifications the ship complies with.
When it comes to Safety Certification Standard, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 12 score measurement.
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Costa Diadema Lifeboats Count
How many lifeboats are there?
68 Costa Diadema 0 Votes 20
49 Cruise Ships in this range 4
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 80
Total number of lifeboats available onboard.
When it comes to Lifeboats Count, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 19 score measurement.
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Costa Diadema Life Rafts Count
How many life rafts are onboard?
14 Costa Diadema 0 Votes 12
28 Cruise Ships in this range 4
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 52
Number of inflatable life rafts.
When it comes to Life Rafts Count, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 14 score measurement.
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Costa Diadema Fire Safety Systems
What fire safety systems are installed?
44 Costa Diadema 0 Votes Sprinklers, Fire Doors, Smoke Detectors, Water Mist
51 Cruise Ships in this range Sprinklers, Fire Doors, Smoke Detectors
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 100
Fire prevention and response systems onboard.
When it comes to Fire Safety Systems, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 7 score measurement.
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Costa Diadema Medical Facilities
What medical facilities are available?
86 Costa Diadema 0 Votes Clinic, ICU
68 Cruise Ships in this range Clinic
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 94
Onboard medical services and equipment.
When it comes to Medical Facilities, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 18 score measurement.
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Costa Diadema Muster Stations
How many muster stations are there?
46 Costa Diadema 0 Votes 12
42 Cruise Ships in this range 4
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 74
Passenger assembly points for evacuation.
When it comes to Muster Stations, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 4 score measurement.
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Costa Diadema Evacuation Time Compliance
Does the ship meet evacuation time compliance?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 88Updated at 2026-03-03 00:52:06: 95
Compliance with evacuation time regulations.
When it comes to Evacuation Time Compliance, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema SOLAS Compliance
Is the ship SOLAS compliant?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 88Updated at 2026-03-03 00:52:06: 95
Indicates compliance with SOLAS convention.
When it comes to SOLAS Compliance, Costa Diadema ◉ is same as Cruise Ship in this range ◉ .
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Costa Diadema Environmental Compliance
What environmental standards are met?
36 Costa Diadema 0 Votes MARPOL
53 Cruise Ships in this range MARPOL
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 44
Compliance with environmental regulations.
When it comes to Environmental Compliance, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 17 score measurement.
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Costa Diadema Security Screening Facilities
What security screening facilities are present?
61 Costa Diadema 0 Votes X-ray, Metal Detectors, ID Checkpoints
64 Cruise Ships in this range X-ray, Metal Detectors, ID Checkpoints
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 89
Passenger and crew security systems at embarkation.
When it comes to Security Screening Facilities, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3 score measurement.
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Dining & Cuisine 13
Costa Diadema Room Service Availability
Is room service available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Room service is available to all passengers, offering a convenient way to enjoy meals in the privacy of their cabins.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Whether room service is available for passengers.
When it comes to Room Service Availability, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 2 score measurement.
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Costa Diadema Gala Nights
Are there gala nights or formal dining events?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Costa Diadema offers gala nights for formal dining, where guests can dress up in tuxedos or gowns for a luxurious dining experience.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether formal dining events are organized.
When it comes to Gala Nights, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 5 score measurement.
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Costa Diadema Beverage Packages
Are beverage packages available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Beverage packages are available for passengers who prefer to prepay for drinks, offering convenience and value.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:06: 95
Availability of pre-paid beverage packages.
When it comes to Beverage Packages, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Dietary Options
What dietary options are available?
32 Costa Diadema 0 Votes Vegetarian, Vegan, Kosher, Halal, Gluten-Free
45 Cruise Ships in this range Vegetarian, Vegan, Gluten-Free
Costa Diadema
A variety of dietary options are available, ensuring that all guests, regardless of dietary restrictions, can enjoy the meals onboard.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 100
Special dietary accommodations offered.
When it comes to Dietary Options, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 13 score measurement.
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Costa Diadema Dining Venues Count
How many dining venues are there?
23 Costa Diadema 0 Votes 8
36 Cruise Ships in this range 2
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 57
Total number of dining venues available onboard.
When it comes to Dining Venues Count, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 13 score measurement.
Don’t keep it to yourself — be the first to react and review the Dining Venues Count on Costa Diadema ◉ and help others decide!
Costa Diadema Bars & Lounges Count
How many bars and lounges are there?
46 Costa Diadema 0 Votes 11
43 Cruise Ships in this range 2
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 59
Number of bars and lounges onboard.
When it comes to Bars & Lounges Count, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Bars & Lounges Count on Costa Diadema ◉ and help others decide!
Costa Diadema Restaurants Count
How many restaurants are included?
28 Costa Diadema 0 Votes 10
31 Cruise Ships in this range 2
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 58
Total number of restaurants available on the cruise ship.
When it comes to Restaurants Count, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Restaurants Count on Costa Diadema ◉ and help others decide!
Costa Diadema Buffet Restaurants
How many buffet restaurants are there?
46 Costa Diadema 0 Votes 1
50 Cruise Ships in this range 1
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 64
Number of self-service buffet-style restaurants.
When it comes to Buffet Restaurants, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 4 score measurement.
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Costa Diadema Specialty Restaurants
How many specialty restaurants are there?
17 Costa Diadema 0 Votes 4
29 Cruise Ships in this range 1
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 63
Number of themed or à la carte specialty restaurants.
When it comes to Specialty Restaurants, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 12 score measurement.
Don’t keep it to yourself — be the first to react and review the Specialty Restaurants on Costa Diadema ◉ and help others decide!
Costa Diadema Cafés & Casual Dining
How many cafés and casual dining venues are onboard?
23 Costa Diadema 0 Votes 3
29 Cruise Ships in this range 1
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 59
Informal dining areas such as cafés and snack bars.
When it comes to Cafés & Casual Dining, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema Chef Partnerships
Does the ship feature chef partnerships?
59 Costa Diadema 0 Votes Nobuyuki Matsuhisa, Gennaro Contaldo
70 Cruise Ships in this range Adrianne Calvo
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 86
Partnerships with celebrity or Michelin-star chefs.
When it comes to Chef Partnerships, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 11 score measurement.
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Costa Diadema Culinary Classes
Are culinary classes offered?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Onboard cooking classes or demonstrations.
When it comes to Culinary Classes, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 16 score measurement.
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Costa Diadema Wine Cellar
Is sommelier service or a wine cellar available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:06: 95
Availability of curated wine cellars and sommelier service.
When it comes to Wine Cellar, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 5 score measurement.
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Recreation & Wellness 15
Costa Diadema Water Park Type
What type of water park is available?
84 Costa Diadema 0 Votes Aqua Park
56 Cruise Ships in this range Kids Pool
Costa Diadema
The ship features an Aqua Park, ideal for families and children, with fun water-based activities like slides and splash zones.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 78
Type of water park or water features available.
When it comes to Water Park Type, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 28 score measurement.
Don’t keep it to yourself — be the first to react and review the Water Park Type on Costa Diadema ◉ and help others decide!
Costa Diadema Swimming Pools
How many swimming pools are there?
39 Costa Diadema 0 Votes 3
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Costa Diadema
With three swimming pools, guests can enjoy a variety of water experiences, whether they prefer a relaxing dip or a more active poolside experience.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 69
Total number of swimming pools onboard.
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Costa Diadema Jacuzzis
How many jacuzzis are there?
51 Costa Diadema 0 Votes 8
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Costa Diadema
The Costa Diadema has 8 Jacuzzis spread across different areas, offering a perfect spot for relaxation after a day of activities.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 79
Number of hot tubs or whirlpools available.
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Costa Diadema Sports Courts
How many sports courts are there?
16 Costa Diadema 0 Votes 1
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 49
Number of courts for basketball, tennis, etc.
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Costa Diadema Spa Facilities
What spa facilities are available?
59 Costa Diadema 0 Votes Massages, Thermal Suite, Beauty Salon
65 Cruise Ships in this range Massages, Thermal Suite, Beauty Salon
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 100
Types of spa services offered.
When it comes to Spa Facilities, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema Sauna & Steam Rooms
Are saunas or steam rooms available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Availability of saunas and steam rooms.
When it comes to Sauna & Steam Rooms, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Sauna & Steam Rooms on Costa Diadema ◉ and help others decide!
Costa Diadema Fitness Center
Is there a fitness center?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Availability of a passenger fitness center.
When it comes to Fitness Center, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
Don’t keep it to yourself — be the first to react and review the Fitness Center on Costa Diadema ◉ and help others decide!
Costa Diadema Running Track
Is there a running track?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Whether an outdoor runningjogging track is available.
When it comes to Running Track, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 9 score measurement.
Don’t keep it to yourself — be the first to react and review the Running Track on Costa Diadema ◉ and help others decide!
Costa Diadema Water Slides
Are water slides available?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 77Updated at 2026-03-03 00:52:06: 55
Availability of water slides or aqua park features.
When it comes to Water Slides, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Water Slides on Costa Diadema ◉ and help others decide!
Costa Diadema Kids & Teens Facilities
What kids and teens facilities are offered?
69 Costa Diadema 0 Votes Kids Club, Teen Lounge
71 Cruise Ships in this range Kids Club, Teen Lounge
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 79Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 94
Dedicated spaces for children and teenagers.
When it comes to Kids & Teens Facilities, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 2 score measurement.
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Costa Diadema Yoga & Pilates Studios
Are yoga or pilates studios offered?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Dedicated studios for yoga, pilates, or similar.
When it comes to Yoga & Pilates Studios, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 11 score measurement.
Don’t keep it to yourself — be the first to react and review the Yoga & Pilates Studios on Costa Diadema ◉ and help others decide!
Costa Diadema Rock Climbing Wall
Does the ship have a rock climbing wall?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Presence of a rock climbing wall facility.
When it comes to Rock Climbing Wall, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 27 score measurement.
Don’t keep it to yourself — be the first to react and review the Rock Climbing Wall on Costa Diadema ◉ and help others decide!
Costa Diadema Mini Golf
Is mini golf available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:06: 95
Whether a mini golf course is available.
When it comes to Mini Golf, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 17 score measurement.
Don’t keep it to yourself — be the first to react and review the Mini Golf on Costa Diadema ◉ and help others decide!
Costa Diadema Adult-Only Areas
Are there adult-only areas onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Areas restricted to adults for relaxation.
When it comes to Adult-Only Areas, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Adult-Only Areas on Costa Diadema ◉ and help others decide!
Costa Diadema Show Lounge Capacity
What is the show lounge capacity?
57 Costa Diadema 0 Votes 1200
64 Cruise Ships in this range 150
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 90
Capacity of the show lounge on the cruise ship for guests.
When it comes to Show Lounge Capacity, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 7 score measurement.
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Entertainment & Excursions 13
Costa Diadema Cinema
Is there a cinema or IMAX onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Costa Diadema features an IMAX theater, offering an immersive movie experience with stunning visuals and sound.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether the ship has a cinema or IMAX.
When it comes to Cinema, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 34 score measurement.
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Costa Diadema Casino Presence
Is there a casino onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
The Golden Jubilee Casino provides a variety of gaming options, from slot machines to table games, for guests looking to try their luck onboard.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Availability of a casino facility.
When it comes to Casino Presence, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 6 score measurement.
Don’t keep it to yourself — be the first to react and review the Casino Presence on Costa Diadema ◉ and help others decide!
Costa Diadema Show Productions
What show productions are offered?
67 Costa Diadema 0 Votes Musicals, Theater, Comedy, Acrobats
73 Cruise Ships in this range Broadway Shows, Musicals
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 78Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 82
Large-scale entertainment shows.
When it comes to Show Productions, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 6 score measurement.
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Costa Diadema Simulators & Lanes
How many simulators and lanes are available?
16 Costa Diadema 0 Votes 2
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 59
Number of simulators or lanes for recreational activities.
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Costa Diadema Virtual Reality
Is there a VR or arcade onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Whether VR or arcade facilities are available.
When it comes to Virtual Reality, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 22 score measurement.
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Costa Diadema Library
Is there a library onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Availability of a library or reading lounge.
When it comes to Library, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 4 score measurement.
Don’t keep it to yourself — be the first to react and review the Library on Costa Diadema ◉ and help others decide!
Costa Diadema Shore Excursion Options
What shore excursions are available?
44 Costa Diadema 0 Votes Cultural Tours, City Sightseeing
60 Cruise Ships in this range Cultural Tours, Adventure Sports, Wildlife Watching
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 85Updated at 2026-03-03 00:52:06: 64
Types of shore excursions offered.
When it comes to Shore Excursion Options, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 16 score measurement.
Don’t keep it to yourself — be the first to react and review the Shore Excursion Options on Costa Diadema ◉ and help others decide!
Costa Diadema Live Music Venues
How many live music venues are there?
29 Costa Diadema 0 Votes 3
37 Cruise Ships in this range 1
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 59
Number of venues dedicated to live music.
When it comes to Live Music Venues, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 8 score measurement.
Don’t keep it to yourself — be the first to react and review the Live Music Venues on Costa Diadema ◉ and help others decide!
Costa Diadema Theater Capacity
What is the theater’s seating capacity?
59 Costa Diadema 0 Votes 1100
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 90
Seating capacity of the main theater.
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Costa Diadema Ice Rink
Is there an ice rink onboard?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 77Updated at 2026-03-03 00:52:06: 55
Whether there is an ice skating rink.
When it comes to Ice Rink, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Ice Rink on Costa Diadema ◉ and help others decide!
Costa Diadema Expedition Gear Storage
Is there expedition gear storage?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Facilities to store gear for expeditionactive travel.
When it comes to Expedition Gear Storage, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 31 score measurement.
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Costa Diadema Zodiac Boats
How many zodiac or tender boats are available?
0 Costa Diadema 0 Votes 0
Cruise Ship in this range Who knows? (Help us out by suggesting one!)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 39
Number of small boats for landingsexcursions.
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Costa Diadema Expedition Team
Is there an expedition team or naturalists onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:06: 95
Whether trained experts guide excursions.
When it comes to Expedition Team, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 27 score measurement.
Don’t keep it to yourself — be the first to react and review the Expedition Team on Costa Diadema ◉ and help others decide!
Technology & Connectivity 12
Costa Diadema Onboard App
Is there an onboard app or digital service?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
The Costa Diadema has an onboard app that enhances the digital experience for guests, providing easy access to information and bookings.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 90Updated at 2026-03-03 00:52:06: 95
Availability of apps for bookings, schedules, or activities.
When it comes to Onboard App, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Onboard App on Costa Diadema ◉ and help others decide!
Costa Diadema WiFi Availability
Is WiFi available onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
WiFi is available across the ship, allowing passengers to stay connected even while cruising through the Mediterranean.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 90Updated at 2026-03-03 00:52:06: 95
Whether WiFi is available onboard.
When it comes to WiFi Availability, Costa Diadema ◉ is same as Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the WiFi Availability on Costa Diadema ◉ and help others decide!
Costa Diadema Navigation System Type
What navigation system type is onboard?
86 Costa Diadema 0 Votes Integrated Bridge System
75 Cruise Ships in this range Integrated Bridge System
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 86Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 84
Main type of navigation system used.
When it comes to Navigation System Type, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 11 score measurement.
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Costa Diadema Radar Systems
What radar systems are installed?
61 Costa Diadema 0 Votes X-band, S-band
62 Cruise Ships in this range X-band, S-band
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 84Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 74
Radar technologies available.
When it comes to Radar Systems, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 1 score measurement.
Don’t keep it to yourself — be the first to react and review the Radar Systems on Costa Diadema ◉ and help others decide!
Costa Diadema GPS Integration
Does the ship have GPS integration?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Indicates whether GPS is integrated into ship navigation.
When it comes to GPS Integration, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
Don’t keep it to yourself — be the first to react and review the GPS Integration on Costa Diadema ◉ and help others decide!
Costa Diadema Dynamic Positioning
Does the ship have dynamic positioning?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 77Updated at 2026-03-03 00:52:06: 55
Ability to maintain position using thrusterspropellers.
When it comes to Dynamic Positioning, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Dynamic Positioning on Costa Diadema ◉ and help others decide!
Costa Diadema Communication Systems
What communication systems are installed?
76 Costa Diadema 0 Votes Satellite
64 Cruise Ships in this range VHF, UHF, Satellite, GMDSS
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 54
Ship-to-shore and onboard communication technologies.
When it comes to Communication Systems, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 12 score measurement.
Don’t keep it to yourself — be the first to react and review the Communication Systems on Costa Diadema ◉ and help others decide!
Costa Diadema Bridge Control Type
What bridge control type is used?
46 Costa Diadema 0 Votes Semi-Automated
41 Cruise Ships in this range Semi-Automated
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 79
Level of bridge control automation.
When it comes to Bridge Control Type, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 5 score measurement.
Don’t keep it to yourself — be the first to react and review the Bridge Control Type on Costa Diadema ◉ and help others decide!
Costa Diadema Automation Level
What is the ship’s automation level?
56 Costa Diadema 0 Votes Medium
56 Cruise Ships in this range Medium
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 74
Degree of automation onboard.
When it comes to Automation Level, Costa Diadema ◉ is same as Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Automation Level on Costa Diadema ◉ and help others decide!
Costa Diadema Satellite TV
Is satellite TV available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Indicates if passenger areas have satellite television.
When it comes to Satellite TV, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
Don’t keep it to yourself — be the first to react and review the Satellite TV on Costa Diadema ◉ and help others decide!
Costa Diadema Smart Cabin Controls
Are smart cabin controls provided?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 89Updated at 2026-03-03 00:52:06: 95
Smart features like app-based lighting, temperature, or keyless entry.
When it comes to Smart Cabin Controls, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 17 score measurement.
Don’t keep it to yourself — be the first to react and review the Smart Cabin Controls on Costa Diadema ◉ and help others decide!
Costa Diadema Digital Cabin Assistant
Does it feature a digital cabin assistant?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:06: 95
Whether the cruise ship includes a digital assistant for easier navigation.
When it comes to Digital Cabin Assistant, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 20 score measurement.
Don’t keep it to yourself — be the first to react and review the Digital Cabin Assistant on Costa Diadema ◉ and help others decide!
Sustainability & Environmental 10
Costa Diadema Solar Panel Usage
Does the ship use solar panels?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Costa Diadema
Solar panels are used onboard to help reduce the ship's environmental footprint by harnessing renewable energy from the sun.
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 95
Whether solar panels supplement onboard energy.
When it comes to Solar Panel Usage, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 27 score measurement.
Don’t keep it to yourself — be the first to react and review the Solar Panel Usage on Costa Diadema ◉ and help others decide!
Costa Diadema Wastewater Treatment System
Does the ship have a wastewater treatment system?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 83Updated at 2026-03-03 00:52:06: 95
Indicates if advanced wastewater treatment is installed.
When it comes to Wastewater Treatment System, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Emission Reduction Tech
What emission reduction technologies are used?
36 Costa Diadema 0 Votes Scrubbers
52 Cruise Ships in this range Scrubbers
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 88Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:06: 64
Systems to minimize exhaust emissions.
When it comes to Emission Reduction Tech, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 16 score measurement.
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Costa Diadema Shore Power Capability
Does the ship support shore power?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:06: 95
Ability to connect to shore-based electrical power.
When it comes to Shore Power Capability, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 8 score measurement.
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Costa Diadema Ballast Water Treatment
Does the ship have ballast water treatment?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:07: 95
Indicates if ballast water is treated to prevent invasive species.
When it comes to Ballast Water Treatment, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Recycling Facilities
Are there recycling facilities onboard?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:07: 95
Onboard systems for recycling waste.
When it comes to Recycling Facilities, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 2 score measurement.
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Costa Diadema LNG
Is the ship LNG or hybrid ready?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 77Updated at 2026-03-03 00:52:07: 55
Capability of using LNG or hybrid propulsion.
When it comes to LNG, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
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Costa Diadema Single-Use Plastic Reduction
Does the ship reduce single-use plastics?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:07: 95
Policies to reduce single-use plastics.
When it comes to Single-Use Plastic Reduction, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Carbon Offset Program
Is there a carbon offset program?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 84Updated at 2026-03-03 00:52:07: 95
Indicates if carbon offsetting is offered for passenger travel.
When it comes to Carbon Offset Program, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 10 score measurement.
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Costa Diadema Green Building Certification
What green certifications are held?
86 Costa Diadema 0 Votes LEED
83 Cruise Ships in this range LEED
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 100
Certifications showing sustainable design.
When it comes to Green Building Certification, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Service & Operations 10
Costa Diadema Crew Nationalities Diversity
What is the crew nationality mix?
66 Costa Diadema 0 Votes European, Asian
77 Cruise Ships in this range Mixed
Costa Diadema
The crew is made up of a diverse range of nationalities, providing guests with a multicultural onboard experience.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 64
Diversity of crew nationalities onboard.
When it comes to Crew Nationalities Diversity, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 11 score measurement.
Don’t keep it to yourself — be the first to react and review the Crew Nationalities Diversity on Costa Diadema ◉ and help others decide!
Costa Diadema Housekeeping Frequency
How often is housekeeping provided?
66 Costa Diadema 0 Votes Daily
69 Cruise Ships in this range Daily
Costa Diadema
Housekeeping service is available daily, ensuring rooms are kept clean and tidy throughout the cruise.
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 83Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 84
Frequency of cabin housekeeping.
When it comes to Housekeeping Frequency, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3 score measurement.
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Costa Diadema Language Availability
What languages are available onboard?
80 Costa Diadema 0 Votes English, Spanish, German, French
77 Cruise Ships in this range English
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 80Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 74
Languages spoken onboard.
When it comes to Language Availability, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Crew Training Standard
What is the crew training standard?
66 Costa Diadema 0 Votes STCW
62 Cruise Ships in this range STCW
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 82Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 54
Standard to which crew are trained.
When it comes to Crew Training Standard, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 4 score measurement.
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Costa Diadema Customer Service Desk
Is there a customer service desk?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:07: 95
Availability of a 247 guest services desk.
When it comes to Customer Service Desk, Costa Diadema ◉ is same as Cruise Ship in this range ◉ .
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Costa Diadema Medical Team Size
How large is the medical team?
46 Costa Diadema 0 Votes 4-6 medical staff
38 Cruise Ships in this range 1-2 medical staff
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 81Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 68
Number of doctors and nurses onboard.
When it comes to Medical Team Size, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 8 score measurement.
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Costa Diadema Turnaround Time at Port
What is the turnaround time at port?
66 Costa Diadema 0 Votes 4-6 Hours
63 Cruise Ships in this range 4-6 Hours
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 74
Average time required for disembarkationembarkation at port.
When it comes to Turnaround Time at Port, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Maintenance Interval
What is the maintenance interval?
24 Months 0Votes
27.44 Months (Average)
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-29 04:51:20: 75Updated at 2026-03-03 00:52:07: 60
Interval between scheduled maintenance.
When it comes to Maintenance Interval, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 3.4 Months measurement.
Don’t keep it to yourself — be the first to react and review the Maintenance Interval on Costa Diadema ◉ and help others decide!
Costa Diadema Home Port
What is the ship’s home port?
65 Costa Diadema 0 Votes Porto Antico di Genova (Genoa)
70 Cruise Ships in this range Port Autonome de Strasbourg (Strasbourg)
Score History (4)
Updated at 2025-11-11 04:13:27: 0Updated at 2025-12-19 09:06:14: 87Updated at 2026-01-20 04:05:37: 85Updated at 2026-03-03 00:52:07: 54
Main registered home port of the ship.
When it comes to Home Port, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ , delivering equal 5 score measurement.
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Costa Diadema Concierge Service
Is concierge service offered?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:37: 87Updated at 2026-03-03 00:52:07: 95
Whether a concierge service is available for passengers.
When it comes to Concierge Service, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 4 score measurement.
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Pricing & Value-Add 10
Costa Diadema Beverages
Are beverages included in the fare?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 88Updated at 2026-03-03 00:52:06: 95
Whether standard beverages are included in fare.
When it comes to Beverages, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 9 score measurement.
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Costa Diadema WiFi
Is WiFi included?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 76Updated at 2026-03-03 00:52:06: 55
Whether WiFi is included without extra charge.
When it comes to WiFi, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the WiFi on Costa Diadema ◉ and help others decide!
Costa Diadema Gratuities
Are gratuities included?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 77Updated at 2026-03-03 00:52:06: 55
Whether tips and gratuities are included.
When it comes to Gratuities, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
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Costa Diadema Excursions
Are excursions included?
No 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 77Updated at 2026-03-03 00:52:06: 55
Whether shore excursions are part of the fare.
When it comes to Excursions, Costa Diadema ◉ is worse than Cruise Ship in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Excursions on Costa Diadema ◉ and help others decide!
Costa Diadema Loyalty Program Availability
Is a loyalty program available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Indicates if passengers can join a loyalty program.
When it comes to Loyalty Program Availability, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 3 score measurement.
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Costa Diadema Onboard Credit Offers
Are onboard credit offers available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether onboard credit is offered as part of booking promotions.
When it comes to Onboard Credit Offers, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 2 score measurement.
Don’t keep it to yourself — be the first to react and review the Onboard Credit Offers on Costa Diadema ◉ and help others decide!
Costa Diadema Cabin Upgrade Options
Are cabin upgrade options offered?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Whether complimentary or discounted upgrades are available.
When it comes to Cabin Upgrade Options, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Seasonal Discounts
Are seasonal discounts available?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Indicates if fares are discounted seasonally.
When it comes to Seasonal Discounts, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 1 score measurement.
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Costa Diadema Kids Sail Free Promotions
Are there kids sail free promotions?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 87Updated at 2026-03-03 00:52:06: 95
Indicates if kids can sail free under special promotions.
When it comes to Kids Sail Free Promotions, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 8 score measurement.
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Costa Diadema Early Booking Benefits
Are there early booking benefits?
Yes 0Votes Costa Diadema
Yes Cruise Ships in this range
Score History (3)
Updated at 2025-11-11 04:13:27: 0Updated at 2026-01-20 04:05:36: 84Updated at 2026-03-03 00:52:06: 95
Whether passengers receive benefits for booking early.
When it comes to Early Booking Benefits, Costa Diadema ◉ is better than Cruise Ship in this range ◉ , delivering higher 2 score measurement.
Don’t keep it to yourself — be the first to react and review the Early Booking Benefits on Costa Diadema ◉ and help others decide!
Surveys
Because hot takes deserve votes.
Costa Diadema Travel Comfort Levels
How comfortable is this cruise ship during long journeys?
Extremely comfortable — Feels like a floating luxury hotel 0Votes
Very comfortable — Spacious and relaxing experience 0Votes
Comfortable — Good seating and sleeping arrangements 0Votes
Decent — Some comfort but not ideal for long trips 0Votes
Uncomfortable — Feels cramped and hard to relax 0Votes
Costa Diadema Speed and Travel Time
How fast is this cruise ship for long-distance travel?
Super fast — Less than 5 hours for long routes 0Votes
Very fast — 5 to 10 hours for long routes 0Votes
Fast — 10 to 15 hours for long routes 0Votes
Moderate — 15 to 20 hours for long routes 0Votes
Very slow — Over 20 hours for long routes 0Votes
Costa Diadema Cabin Space
How spacious are the cabins on this cruise ship?
Very large — Over 300 square feet 0Votes
Large — 200 to 300 square feet 0Votes
Moderate — 150 to 200 square feet 0Votes
Small — 100 to 150 square feet 0Votes
Very tight — Under 100 square feet 0Votes
Costa Diadema Dining Experience
How enjoyable is the dining experience on this cruise ship?
Outstanding — Gourmet-level dining every time 0Votes
Great — Wide selection with high-quality dishes 0Votes
Good — Tasty meals with decent variety 0Votes
Average — Basic meals with some options 0Votes
Disappointing — Limited food variety and taste 0Votes
Costa Diadema Entertainment and Activities
How entertaining is this cruise ship during the journey?
Nonstop fun — Endless entertainment options 0Votes
Very fun — Many engaging activities 0Votes
Decent fun — Several activities to enjoy 0Votes
Somewhat dull — Few options available 0Votes
Very boring — Hardly any activities 0Votes
Costa Diadema Noise Levels
How quiet is this cruise ship during travel?
Peacefully quiet — Silent and calm everywhere 0Votes
Quiet — Rarely noticeable 0Votes
Moderate noise — Manageable but present 0Votes
Quite noisy — Noticeable in most areas 0Votes
Extremely noisy — Hard to relax anywhere 0Votes
Costa Diadema Service and Staff Friendliness
How friendly and helpful is the staff on this cruise ship?
Exceptional — Staff make the trip feel special 0Votes
Very nice — Attentive and welcoming service 0Votes
Nice — Friendly staff, decent service 0Votes
Okay — Basic service but not warm 0Votes
Unpleasant — Rude and unhelpful staff 0Votes
Costa Diadema Cleanliness and Maintenance
How clean and well-maintained is this cruise ship?
Spotless — Perfectly clean and fresh everywhere 0Votes
Very clean — Well-maintained in most areas 0Votes
Clean — Acceptable cleanliness 0Votes
Somewhat messy — Needs better cleaning 0Votes
Very dirty — Feels neglected 0Votes
Costa Diadema Boarding and Check-in Experience
How smooth is the boarding and check-in process on this cruise ship?
Seamless — Feels effortless and stress-free 0Votes
Smooth — Quick and easy boarding 0Votes
Decent — Manageable but not fast 0Votes
Frustrating — Too much waiting and delays 0Votes
Terrible — Long lines and confusing process 0Votes
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