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  • Costa-Diadema-Emerald-Theater - The Emerald Theater is the main entertainment venue on Costa Diadema.
  • Costa-Diadema-Adularia-Restaurant - The Andularia Restaurant stretches along the whole of Costa Diadema's deck 3.
  • Costa-Diadema-dining-restaurant - Costa Diadema cruisers' dining options run from the elegant to the casual.
  • Costa-Diadema-lounge - Costa Diadema hosts 15 bars and lounges.
  • Costa-Diadema-atrium-elevators - Take in the beautiful view from one of the four glass elevators that service Costa Diadema's multi-deck atrium.

Costa Diadema: Costa's newest flagship

Have you sailed on Costa Diadema? We'd love to hear your take and see your photos. The following information was curated by Cruiseable.


The newest addition to the Costa Cruises fleet, the flagship Costa Diadema (Italian for "tiara") includes exclusive innovations in the areas of food, entertainment and technology. Costa Diadema offers several innovative experiences, while surrounding passengers with a refined atmosphere. The ship features everything from an endless selection of food, with a variety of global flavors for you to enjoy, to the most spectacular Samsara Spa in the entire fleet, to enhance passengers' well-being.

Ratings & awards

Berlitz Not Yet Rated
Cruise Critic Not Yet Rated

About Ratings & awards

Cruises on this ship

Dining & lounges

Costa Diadema has seven restaurants, including four — the Club Restaurant, Samsara Restaurant, Tappanyaki Restaurant and Piazza Pizza Pizzeria — for an additional charge and by reservation only. (Lunch and dinner in the Samsara Restaurant are included in the price for guests staying in the Samsara Cabins.) The ship also has 15 bars, including the Birreria La Fiamma pub, Vinoteca Huit-Huit wine bar, Bar Bollicine Prosecco bar and Gelateria Amarillo ice cream parlor.

Spa & fitness

  • Samsara Spa: About 85,000 square feet spread out on four floors includes a gym, spa, Thalassotherapy pool, treatment rooms, sauna, steam room, UVA solarium, cabins and suites
  • Eight whirlpools
  • Three pools, including one with a retractable roof
  • Multi-sports pitch
  • Outdoor jogging track


  • 4-D Cinema
  • Three-story theater
  • Casino
  • Disco
  • Country Rock Club
  • Two-story games area with laser games, laser shooting and video games
  • Grand Prix Simulator
  • Pool deck with retractable glass roof and giant screen
  • Internet Point
  • Library
  • Shops Gallery
  • Squok Club (kids club)
  • Baby pool

Your take

How about you? Have you sailed on Costa Diadema? We'd like to hear all about about your experience! Please share in the comments below.

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Cruiseable team
The Cruiseable editorial team consists of award-winning travel writers, cruise bloggers and journalists.

Top highlights on this ship

  • What: Emerald Theater
  • Where: Costa Diadema

  • What: Atrium
  • Where: Costa Diadema

  • What: Bars & lounges
  • Where: Costa Diadema

Top dining options on board

Andularia Restaurant

  • Style: Continental
  • No additional cost
  • Open: Breakfast, lunch & dinner

Fast facts

4,947 Passengers [?]
1,253 Crew
20 Decks
2012 Maiden voyage
132,500 Tonnage [?]
1,004 Length in feet
122 Width in feet (max beam)

Your take: share your experience