Costa Diadema Deck Plans
Costa Diadema Decks
Costa Diadema Deck 1
Classic Inside (IC)
Classic Ocean View (EC)
Premium Ocean View (EP)
Costa Diadema Deck 2
Classic Balcony (BC)
Classic Inside (IC)
Classic Ocean View (EC)
Premium Inside (IP)
Premium Ocean View (EP)
Costa Diadema Deck 3
Costa Diadema Deck 4
Costa Diadema Deck 5
Costa Diadema Deck 6
Classic Inside (IC)
Classic Ocean View (EC)
Mini Suite with Ocean View Balcony (MS)
Premium Balcony (BP)
Premium Inside (IP)
Costa Diadema Deck 7
Classic Inside (IC)
Classic Ocean View (EC)
Grand Suite with Ocean View Balcony (GS)
Mini Suite with Ocean View Balcony (MS)
Premium Balcony (BP)
Premium Inside (IP)
Suite with Ocean View Balcony (S)
Costa Diadema Deck 8
Classic Inside (IC)
Mini Suite with Ocean View Balcony (MS)
Premium Balcony (BP)
Premium Inside (IP)
Costa Diadema Deck 9
Classic Inside (IC)
Classic Ocean View (EC)
Premium Balcony (BP)
Premium Inside (IP)
Suite with Ocean View Balcony (S)
Costa Diadema Deck 10
Classic Ocean View (EC)
Premium Balcony (BP)
Premium Inside (IP)
Costa Diadema Deck 11
Samsara Grand Suite with Ocean View Veranda and Jacuzzi (SG)
Samsara Inside (SI)
Samsara Suite with Ocean View Veranda and Jacuzzi (SV)
Samsara with Ocean View Balcony (SB)
Costa Diadema Deck 12
Samsara Inside (SI)
Samsara Suite with Ocean View Veranda and Jacuzzi (SV)
Samsara with Ocean View Balcony (SB)
Costa Diadema Deck 14
Costa Diadema Deck 15