The Costa Diadema, known as the “Queen of the Costa Fleet,” represents the very best of Italian style, elegance, and hospitality at sea. Launched in 2014, this impressive ship delivers a vibrant blend of entertainment, relaxation, and cultural sophistication. Designed for families, couples, and cruise enthusiasts, Costa Diadema offers an unforgettable journey across the Mediterranean, Northern Europe, and beyond.
Costa Diadema
Ship Highlights
Ship Class: Dream Class
Gross Tonnage: 132,500 GT
Length: 306 metres
Guest Capacity: Approx. 4,900 passengers
Crew Members: Around 1,250
Launched: 2014
Costa Diadema is among the largest ships in the Costa fleet, featuring contemporary interiors, expansive open decks, panoramic sea views, and an abundance of activities to enjoy day and night.
Destinations & Itineraries
Costa Diadema sails across some of the world’s most scenic and culturally rich destinations:
Western Mediterranean: Explore Italy, Spain, France, and the Balearic Islands
Eastern Mediterranean: Visit Greece, Croatia, and Turkey
Northern Europe: Discover the Norwegian Fjords and Baltic capitals
Transatlantic Voyages: Journey between Europe and the Caribbean
Each itinerary is designed to showcase iconic landmarks, local cuisine, and immersive cultural experiences, with shore excursions curated by Costa Cruises’ destination experts.
Accommodation & Cabins
Guests can choose from a variety of cabin categories, each designed with comfort and style in mind:
Inside Cabins – Smart and budget-friendly comfort
Ocean View Cabins – Large windows with sea views
Balcony Cabins – Private outdoor space for relaxation
Suites – Spacious luxury with exclusive amenities
All cabins feature elegant décor, high-quality furnishings, and modern facilities — ensuring guests feel at home throughout their voyage.
Dining & Cuisine
Costa Diadema offers a gastronomic journey inspired by the rich flavours of Italy and the world:
Fiorentino & Adularia Restaurants – Main dining rooms with regional Italian menus
Club Diadema – Exclusive à-la-carte gourmet dining experience
Corona Blu Buffet – Casual all-day international dining
Pizzeria Pummid’Oro – Authentic Neapolitan pizzas
Gelateria Amarillo – Homemade Italian gelato and desserts
Costa Diadema also features the Birreria La Fiamma Pub and Bar Bollicine, perfect for social evenings with cocktails and live music.
Entertainment & Activities
Onboard entertainment aboard the Costa Diadema never stops:
Teatro Emerald – Grand theatre with Broadway-style productions
Samsara Spa – 7,800 m² wellness sanctuary with saunas, pools, and massages
4D Cinema – Immersive movie experiences
Casino Golden Jubilee – Exciting games and slots
Pools & Sports Deck – Multiple pools, jacuzzis, and a jogging track
Star Laser Arena – Virtual reality laser tag and fun activities for all ages
Families love the Squok Club and Teen Zone, offering supervised activities, games, and workshops.
Sustainability & Innovation
Costa Diadema incorporates eco-friendly technologies to minimize environmental impact. Costa Cruises focuses on energy efficiency, waste reduction, and sustainable tourism practices through its Costa Next sustainability program.
Why Choose Costa Diadema
Largest and most elegant ship in the Costa fleet
Authentic Italian design and hospitality
Extensive entertainment and dining options
Perfect for families, couples, and solo travellers
Exciting itineraries across the Mediterranean and Northern Europe
Book Your Costa Diadema Cruise
Embark on a journey of luxury, adventure, and Italian flair aboard the Costa Diadema. From romantic getaways to family holidays, this ship delivers world-class service, fine dining, and endless fun at sea. Book your Costa Diadema cruise today and experience the joy of cruising the Italian way with Costa Cruises.
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