Passengers
3,724
Tonnage
132,500 GT
Built
2014
Length
306m
Decks
14
Crew
1,253
About this ship
Costa Diadema entered service in 2014 as part of Costa Cruises' fleet, built by Italian shipyard Fincantieri. The ship accommodates 3,724 passengers and carries a crew of 1,253, providing a substantial ocean-going experience with the resources and dining variety typical of larger contemporary cruise vessels.
As a mid-sized ship from the mid-2010s, Costa Diadema represents the cruise line's mainstream offering for Mediterranean and seasonal itineraries.
Ship details
- Class
- Dream
- Built
- 2014
- Refurbished
- 2023
- Gross Tonnage
- 132,500 GT
- Length
- 306 m
- Beam
- 36 m
- Passengers
- 3,724
- Cabins
- 1,886
- Crew
- 1,253
- Decks
- 14
- Max Speed
- 22 knots
- Builder
- Fincantieri
- Registry
- Italy
Quick facts
- Age
- 12 years old
- Size
- Mega-ship
- Space Ratio
- 35.6 GT/pax
- Passenger-to-Crew
- 3.0:1
- Fleet Rank
- 3rd largest of 9
- Typical Cruise
- 7 nights
- Primary Region
- South America
- Next Sailing
- Sep 30, 2026
- Family
- Kids Club on board
Amenities
🍽️ Dining & Bars
BuffetSteakhouseIce Cream BarPubWine BarChampagne BarSpecialty Restaurant
🎭 Entertainment
TheaterPiano BarNight ClubLive Music VenueCasinoCinema
🏊 Recreation
PoolHot TubWhirlpoolWater ParkMini GolfBasketball CourtJogging Track
👨👩👧 Family
Kids ClubTeen LoungeVideo Arcade
🧖 Wellness & Relaxation
SpaFitness CenterSaunaSteam RoomThermal SuiteHair Salon
📚 Lifestyle
LibraryShoppingCigar Lounge
Price tracker
Costa Diadema prices
Upcoming Costa Diadema cruises start from $129. Pick a sailing below, choose your cabin, and we'll email you when the price drops.
Track Costa Diadema prices →Upcoming sailings
Cruises on Costa Diadema
Sep 30, 2026 · 13 nights
13 Night Western Mediterranean Cruise
Costa Cruises
$1,952
Oct 4, 2026 · 5 nights
5 Night Western Mediterranean Cruise
Costa Cruises
$906
Oct 7, 2026 · 10 nights
10 Night Western Mediterranean Cruise
Costa Cruises
$1,686
Oct 8, 2026 · 10 nights
10 Night Western Mediterranean Cruise
Costa Cruises
$1,460
Oct 9, 2026 · 10 nights
10 Night Western Mediterranean Cruise
Costa Cruises
$1,159
Oct 9, 2026 · 4 nights
4-Night Africa from Barcelona
Costa Cruises
$849
Oct 17, 2026 · 11 nights
11 Night Western Mediterranean Cruise
Costa Cruises
$1,715
Oct 18, 2026 · 11 nights
11 Night Western Mediterranean Cruise
Costa Cruises
$1,560
Oct 19, 2026 · 12 nights
12 Night Western Mediterranean Cruise
Costa Cruises
$2,101
Oct 21, 2026 · 10 nights
10 Night Western Mediterranean Cruise
Costa Cruises
$1,424
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