Costa Cruises
Costa Diadema
Ship Specifications
Cruise Line
Costa Cruises
Year Built
2014
Passenger Capacity
3,724
Crew
1,253
Gross Tonnage
132,500 GT
About Costa Diadema
Step aboard the Costa Diadema, a 132,500 GT masterpiece of Italian design that serves as a flagship highlight of the Costa Cruises fleet. Launched in 2014, this 306-meter vessel offers an expansive experience for up to 3,724 passengers, supported by a dedicated crew of 1,253 professionals. Travelers can enjoy sophisticated Mediterranean-style elegance and modern amenities across its massive decks, making it a premier choice for those seeking a grand-scale maritime adventure.
Explore Costa Diadema
Current Location
Live GPS position and voyage tracking
Deck Plans
Explore every deck from bow to stern
Cabins & Staterooms
Interior, ocean view, balcony, and suites
Restaurants & Bars
Dining venues, menus, and dress codes
Itineraries & Sailings
Upcoming voyages and departure ports
Live Webcam
Bridge cam and port camera feeds
Current Location
Live tracking coming soon
Real-time GPS position and voyage information
Quick Facts
- Guest-to-Crew Ratio
- 3.0:1
- Space Ratio
- 35.6 GT/pax
Sailing on Costa Diadema?
Find activity partners on board. Tennis, trivia, dining companions, and more.
Get Started FreeCosta Diadema Cruise Ship Information
Costa Diadema is operated by Costa Cruises. Originally launched in 2014, this ship carries up to 3,724 passengers with a crew of 1,253. Find detailed information about cabins, dining, entertainment, deck plans, and upcoming itineraries on VacationAffairs.