Carrying only 800 passengers, the Costa Allegra is an intimate ship tastefully decorated in peach and rose hand cut carrara marble, walls finished in the finest woods, and decks named after famous Impressionist painters. The Costa Allegra has a glass atrium three decks high, and a dome that opens up to a 360 degree view of the sky.

Among some of the activities and amenities include: beauty salon, boutiques, children's room, drug store, duty free shops, Caracalla full service spa, Infirmary, photo gallery, outdoor pool, 2 jacuzzis, teen room, card room, library.

Some of the dining options the Costa Allegra offers include: Restaurant Montmartre, Yacht Club Buffet, 24-hour room service, Murano Bar,
Piazzette Allegra Lounge and Bar.

There is no shortage of entertainment options aboard the ship: casino, Folies Bergeres, showroom, Flamenco Ballroom, Murano Bar, Crystal Club Disco.