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Costa Diadema

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Costa Diadema set sail in November 2014 and is the flagship for Costa, showcasing an array of innovative features and stunning public spaces. Captivating you from the moment you step onboard, her modern and sophisticated design is home to exclusive dining areas, incredible entertainment and comfortable cabins. Every inch of her spacious interior oozes with elegance and tranquil atmospheres.

Costa Diadema showcases a wider array of dining options than any other Costa ship, including the Samsara Restaurant and Piazza Pizza Pizzeria, as well as an exciting array of entertainment options, including a Grand Prix Simulator and two-storey games area with laser and video games.

Cruising to some of the most fascinating destinations in the world, Costa Diadema is sure to take you on the cruise of a lifetime

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Ship Stats and Features

Year Entered Service 08/11/2014
Tonnage 132500
Wheelchair Accessible Cabins 30
Number Of Decks 14
Number Of Elevators 18
Maximum Capacity 4927
Crew 1253

Ship Facilities


Be prepared to go on a culinary journey like never before as you experience tastes that will excite all of your senses. With several different restaurants to choose from, there is something for every cruiser. Ranging from the sophisticated Samsara restaurant to the casual atmosphere of the Piazza Pizzeria, you can dine however you wish.

Complimentary dining

  • Fiorentino Restaurant-the largest dining room onboard, here guests can enjoy breakfast, lunch and dinner in a casual setting.
  • Adularia Restaurant- open only for dinner, this main dining room offers the same menu as the Fiorentino Restaurant.
  • Corona Blu- the ship’s buffet restaurant, even the pickiest of eaters will fill their plate with delicious food.

Speciality dining

  • Club Diadema- the epitome of fine dining, expect perfectly presented dishes, expertly paired wines and world-class service.
  • Tavola Teppanyaki- turn your meal into evening entertainment by marvelling as the chefs at this Japanese-style restaurant prepares your dinner right before your eyes.
  • Samsara Restaurant- enjoy healthy dishes, focussing on fish and seafood, in the calm décor of this spa restaurant.
  • Piazza Pizza- an authentic Italian experience, your pizza is hand-tossed and served piping hot with your favourite toppings.


The entertainment choices aboard Costa Diadema are endless. The Emerald theatre spans three decks and showcases some of the most exciting shows at sea, including the breathtaking acrobatic performance “Come Fly With Me” and impressive operatic shows. If a trip to the theatre isn't for you, you can choose to visit the 4D cinema, casino, or dance the night away in one of the bars.

Country Rock ClubAn excellent option for alternative entertainment, here guests can get their dancing shoes on to the soundtrack of live country and rock music.
Pietra di Luna DiscoThis is a popular haunt for younger guests and opening after midnight, it guarantees a night of fun.
Eliodoro BarQuieter than other bars on the ship, Eliodoro Bar is great for listening to live piano music.
Grand Bar OrlovOne of the largest bars on the ship, this lively venue features comfy seating and an expansive dance floor.
Vinoteca Gran Duca di ToscanaCalled the Wine Bar for short, enjoy more than 80 different wines expertly paired with cheeses and salami.
Birrera Dresden GreenFor a top-class German beer, head to this beer hall and enjoy a refreshing lager or bitter.
Cigar LoungeA busy haunt because it’s the only indoor smoking area onboard the ship.
Bollicine BarLive music and Italian apéritifs are order of the day at this stylish bar.
Principe Nero Piano BarWith mood changing lighting and a request-taking resident piano player, this is a popular spot for a drink and a dance.
Teodora Lounge and BarFrom a pre-dinner live singer to post-dinner karaoke, a fun night is in store.
Stella del Sud BarOverlooking the pool, this open-air bar is perfect for an al fresco drink under the stars.

Things to do

While Costa Diadema may be built for relaxation, this doesn’t mean that there is a shortage of activities. For any game lovers onboard, some of the highlights include the interactive laser maze and the Grand Prix racing car simulator. Kids will love the Squok Club and the Kids Pool, while adults can indulge in some retail therapy by browsing the shops on the ship, stocked with anything you might need on your holiday and souvenirs to take home as a reminder of the amazing time you had onboard.

Speak to a Cruise expert 0203 848 3600