Costa Diadema Cabins
Costa Diadema has a total of 1,862 cabins, with 13 different categories, ranging from cozy rooms in the internal cabins to luxury suites with a balcony. All cabins have a TV, minibar, safe, hairdryer, dressing table, etc. Some cabins have direct access to the Spa, so you can pamper yourself, like the Samsara suites that offer extra services for a pleasant stay. The sophisticated design and elegant furniture will allow you to relax while traveling and enjoying an unforgettable stay.
Cabins
Inside cabin I3
10 m²max. 4Deck 6, 7, 8, 9, 10, 11, 12
Bathroom: shower, hairdryer
Comfort: Air conditioning (individually adjustable), safe (26 × 35 × 25 cm), phone with 'Call me' service
Entertainment: TV
Sleeping: Dorelan mattresses and pillows, double bed or 2 single beds
Largest deck range of all Inside cabins – spread across seven decks from the middle up to the upper areas, with the widest choice of deck positions
Located on middle to upper decks – shorter walks to pool and leisure areas, though with slightly more ship movement than on lower decks
Inside cabin I4
10 m²max. 4Deck 6, 8, 9, 10, 11, 12
Bathroom: shower, hairdryer
Comfort: Air conditioning (individually adjustable), safe (26 × 35 × 25 cm), phone with 'Call me' service
Entertainment: TV
Sleeping: Dorelan mattresses and pillows, double bed or 2 single beds
Concentrated on middle to upper decks – shorter walks to pool and entertainment areas, though with slightly more ship movement than on lower decks
Same fittings as other standard Inside cabins with comparable deck range – a solid choice for those who value cabin location over cabin size
Inside cabin I2
10 m²max. 4Deck 1, 2, 6, 7
Bathroom: shower, hairdryer
Comfort: Air conditioning (individually adjustable), safe (26 × 35 × 25 cm), phone with 'Call me' service
Entertainment: TV
Sleeping: Dorelan mattresses and pillows, double bed or 2 single beds
More affordable choice than the larger I1 with identical fittings – ideal for those willing to trade cabin space for flexibility
Widest deck range of the standard Inside cabins – from lower to middle decks 1–2 and 6–7, so different deck positions are available
Inside cabin I1
12 m²max. 4Deck 1, 2
Bathroom: shower, hairdryer
Comfort: Air conditioning (individually adjustable), safe (26 × 35 × 25 cm), phone with 'Call me' service
Entertainment: TV
Sleeping: Dorelan mattresses and pillows, double bed or 2 single beds
At 12 m² the most spacious Inside cabin in this category range – 2 m² larger than the standard Inside cabins I2, I3 and I4
Located on lower decks 1–2 – quieter location with less ship movement than higher decks.
Guarantee inside cabin IV
10 m²max. 4
Bathroom: shower, hairdryer
Comfort: Air conditioning (individually adjustable), safe (26 × 35 × 25 cm), phone with 'Call me' service
Entertainment: TV
Sleeping: Dorelan mattresses and pillows, double bed or 2 single beds
Guarantee category: cabin number assigned only before embarkation – no choice of exact location possible
Most affordable entry to the Inside cabins category – full onboard facilities including Dorelan mattresses, air conditioning and safe at the lowest price
Deck Plan
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