The Celebrity Constellation is a floating grand hotel. The ship offers impeccable service and exceptional amenities for every demanding guest.

Among some of the activities and amenities include: daily activities led by cruise staff, port & shopping lectures and shore excursions, The Emporium duty-free shopping, jewelry, souvenirs and logo items, photo gallery and photo shop for cruise photos, outdoor swimming pool and 4 Whirlpools, children's pool and children's whirlpool, deck sports including basketball, golf simulator, shuffleboard, jogging, AquaSpa, thalassotherapy pool, beauty salon, sauna & steam room, fully equipped fitness center and aerobics classes, Conservatory with a unique botanical environment mini-gardens and fountains, designed by award-winning floral designer Emilio Robba of Paris, conference center and meeting rooms for groups.

Some of the dining options the Celebrity Constellation offers include: 2-story San Marco Restaurant serving the award-winning cuisine of Master Chef Michel Roux, Specialty Restaurant has a demonstration galley and dine-in wine cellar, dinner by reservations only, Seaside Cafe & Seaside Grill serving casual buffet-style breakfast, lunch and Sit-down dinner with indoor/outdoor seating, Mast Bar serves refreshing drinks overlooking the main pool, AquaSpa Cafe serves nutritious drinks and snacks, champagne and martini Bar offers a wide selection, including Osetra & Sevruga caviar, Cova Cafe Milano serves specialty coffees and fine wines, Gourmet Bites late night snacks, afternoon tea and finger sandwiches, complimentary 24-hour room service including gourmet pizza delivery.

There is no shortage of entertainment options aboard the ship: 3-Story Celebrity Theatre, Rendez-Vous Lounge, Michael's Club, Reflections Observation Lounge, Fortunes Casino, cinema.