Costa Diadema

Costa Cruises

liner Class

3,772

Passengers

1,253

Crew

14

Decks

2014

Year Built

liner

Class

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What's on Each Deck

15
La Fenice
14
Millennium Star
12
Stella D'Africa
11
Timur
10
Hortensia
9
Bizantino
8
Star Of India
7
Conde
6
Braganza
5
Eldorado
4
Perla Di Venere
3
Centenary
2
Sara
1
Excelsior

Deck Plans

14 decks

Could not load deck plan details.

Deck and venue data comes from public fleet sources. It lists what is on each deck, not where it sits — we do not have verified floor plans.

Upcoming Voyages

View all

Oct 17, 2026

11 nights

From Marseille

Western Mediterranean from Marseilles

Oct 17, 2026

11 nights

From Marseille

from Marseille, France

Oct 17, 2026

12 nights

From Marseille

from Marseille, France

Oct 18, 2026

12 nights

From Savona

from Savona, Italy

Oct 18, 2026

11 nights

From Savona

Western Mediterranean from Savona

Oct 18, 2026

11 nights

From Savona

from Savona, Italy

Oct 19, 2026

13 nights

From Barcelona

from Barcelona, Spain

Oct 19, 2026

12 nights

From Barcelona

Western Mediterranean from Barcelona