Constellation is a spacious and hospitable ship featuring an eleven deck high atrium, a conservatory and extensive sports facilities. It offers a fine cruise experience in a good selection of tastefully decorated public rooms. Celebrity Constellation passengers tend to be 40+ and Mostly American. When all cabins have double occupancy, the ship provides a space ratio of 46.7 tons per passenger and a crew to passenger ratio of one for every 2 passengers. At full capacity the space ratio is 37.2 tons per passenger and the crew ratio is one to 2.4 passengers.