Costa Diadema

Explore sailings Compare this ship

Built: 2014
Gross tonnage: 133,019 GT
Decks: 14
Passenger capacity: 4,947
Guests per crew member: 3 to 1

How does she fit your trip?

Explore the ship through the things that matter to you.

How we weight the scores

67/100

All-round traveller score

CruiseFans traveller score

Space & Comfort38

Dining62.2

Entertainment77.9

Activities & Thrills66.7

Pools & Relaxation87.2

Value / Cost38

Category breakdown · All-round traveller

The ship, in detail.

84 specifications. Find a fact or explore a section.

General

3 fields

Cruise Line: Costa
Ship Name: Diadema
Maiden voyage: 1 November 2014

Physical

10 fields

Year Built: 20141,9902,027
Refurbished: 20202,0082,028
Builder: Fincantieri
Gross Tonnage: 133,019 tons2,937250,800
Length: 305.7 m88.2365
Width/Beam: 37.2 m1466.14
Ship Within a Ship: Samsara Spa area (spans decks 14-15, with dedicated pool, Jacuzzis, thalassotherapy pool, restaurant, and lounge for spa-cabin guests)
Total decks: 14622
Passenger Decks: 14421
Speed: 22.5 knots1228.5

Passengers and Crew

7 fields

Crew: 1,253582,394
Passenger to Crew Ratio: 314
Total Cabins: 1,886492,865
Single Occupancy Cabins: No
Wheelchair-Accessible Cabins: 8084
Passenger Capacity: 4,947487,662
Space Ratio (tons of ship per passenger): 26.8892.116127.7

Amenities

48 fields

Restaurants: 8 restaurants and snack bars, including Fiorentino (main dining), La Piazza/Piazza Pizza, Corona Blu, Sissi Restaurant, plus specialty venues Club Diadema (fine dining), Tavola Teppanyaki, and Samsara Restaurant
Restaurants - Paid: 4018
Restaurants - Included: 3020
Onboard Currency: Euro
Total Pools: 3010
- Pools - General Access: 3110
- Pools - Adults Only: 004
- Pools - Exclusive: 304
Outdoor Pools: 316
Water Playground/Splash Park: No
Kiddie/Splash Pool: Yes
Total Hot Tubs: 8013
- Hot Tubs - General Access: 8024
- Hot Tubs - Adults Only: 8024
- Hot Tubs - Exclusive: 8020
WiFi: Yes
Internet Center: Yes
Cell Phone Service: Yes
Bars/Lounges: 11240
Beauty Salon/Barber Shop: Yes
Casino: Yes
Chapel: No
Night Club: Yes
Laundromats (self service): No
Laundry/Dry Cleaning: Yes
Library: Yes
Movie Theatre: Yes
Outdoor Movie Screen: No
Onboard Weddings: Yes
Spa: Yes
Video Arcade: Yes
Basketball Court: Yes
Tennis Court: Yes
Fitness Center: Yes
Ice Skating Rink: No
Jogging Track: Yes
Mini-Golf Course: No
Rock Climbing Wall: No
Water Slide: No
Water Sports Platform: No
24-Hour Room Service: Yes
Babysitting: Yes
Children's Playroom: Yes
Supervised Youth Program: Yes
Teen Center: Yes
Kosher Meals: No
Adult Only Relaxation Area: Yes
Special Amenities: 4D cinema hall, Samsara Spa across multiple decks with thalassotherapy pool, casino, cigar lounge, hair salon, video arcade, teen lounge, jogging track, outdoor promenade over 500m long