The Teatro Duse main theatre spans decks one, two, and three and hosts the ship's major stage productions. Entertainment offerings range from talented musical and ballet productions to exquisite laser light shows and circus acts.

This intimate casino on deck two features a variety of slot machines, games tables and roulette wheels as well as hosting some bingo, poker and blackjack tournaments. It is only open to guests over the age of eighteen and closes when it's in port. Sala Carte is the ship's card room, which is located in a corner of the Grand Bar Mirabilis on deck two.

At the Samsara Spa, a highlight on Costa ships, guests enjoy a wellness experience of complete bliss and rejuvenation. The spa features treatments from around the world that reawaken the senses and ignite a deep mind-body connection. This two-deck retreat is a paradise where time stands still; the ideal place to unwind and relax after an exciting day exploring a new destination. There's also a thermal suite with a tepidarium, laconium, Oriental and aroma steam baths, thalassotherapy pool, Temple of Peace relaxation area and tea house.

This modern gym has a range of state of the art cardiovascular and weight training Technogym equipment as well as a qualified trainer and an area for fitness classes. While basic aerobics classes are free, some of the classes like pilates are charged for. It's open to all guests who are 16 years and over.

Perfect for all golf fans, this futuristic virtual 18-hole golf course simulator is inspired by the 37 most famous golf courses in the world.

The ship's thrilling Grand Prix Simulator is based in Bar Scuderia Costa on deck 10, which is a small sports themed bar based on a racing scheme. The simulator features a Formula One car that guests can sit in to experience driving real formula one cars around racing tracks that was based on some of the best circuits in the world.

The 4D cinema on deck five is a great place to have some fun with your friends and family. At a small charge, you can enjoy 3D films along with special seats that move according to the action on screen, sounds, lights and images that make viewing the films a 4D experience.

Mondo Virtaule is a favourite among most teenagers on board. This video games area features comfy seating, PlayStation games consoles and the latest video games. The Deliziosa also hosts PlayStation nights on the large outdoor movie screen which overlooks the Lido Azzurro pool.

The Costa Deliziosa's Squok Club is divided into two groups: the Mini club for 3 to 6 year olds and the Maxi Club for 7 to 11 year olds. The ship's Teen Zone is on the same deck and offers activities such as access to PS2 games consoles, pool games, dance lessons, and discos, parties, dance lessons and sports tournaments.