The fleet's new flagship whose name (Italian for tiara) says it all. Costa Diadema offers the most complete, innovative & surprising experiences you could have on a cruise. Enchanting you with its many different styles, all coexisting in harmony. Surrounding you with the majestic & refined elegance of its different environments & atmospheres. Captivating you with a wide range of attractions for you to experience, from an endless selection of food, with flavours from around the world for you to enjoy, to the most spectacular Samsara Spa in the entire fleet, for maximum pleasure & well-being.
The biggest. The most modern.The brightest jewel in the Costa fleet. Ready to sparkle before your eyes, whenever you want.

Joining the Costa Cruises fleet in October 2014, the new flagship will include exclusive innovations in the areas of food, entertainment & technology.



7 restaurants, including four, the Club Restaurant, Samsara Restaurant, Tappanyaki Restaurant & Piazza Pizza Pizzeria for an additional charge (lunch & dinner in the Samsara Restaurant are included in the price for Guests staying in the Samsara Cabins) & by reservation only

15 bars, including the 'Birreria La Fiamma' pub, 'Vinoteca Huit-Huit' wine bar, 'Bar Bollicine' Prosecco bar & 'Gelateria Amarillo' ice-cream parlour

1.862 cabins in total, including: 130 in the wellness area, 756 with private balcony, 64 suites, all with private balcony, 11 suites in the wellness area

Samsara Spa: 7800 m2 on four floors, gym, spa, thalassotherapy pool, treatment rooms, sauna, steam room, UVA solarium, Cabins & Suites

8 hot tubs

3 pools, including one with a retractable roof

Multisports pitch

Outdoor jogging track

4D Cinema

Three-storey theatre



Country Rock Club

Two-storey games area with Laser Games, Laser Shooting and Video Games

Grand Prix Simulator

Pool deck with retractable glass roof and giant screen

Internet Point


Shops Gallery

Squok Club

Baby pool

Full Deck Plan Link