Mercury is a hospitable ship offering a fine cruise experience, a good selection of tastefully decorated public rooms, an outstanding art collection and 3 deck lobby with waterfall. Celebrity Mercury passengers tend to be 40+ and mostly American. When all cabins have double occupancy, the ship provides a space ratio of 40.1 tons per passenger and a crew to passenger ratio of one for every 2.1 passengers. At full capacity the space ratio is 34.3 tons per passenger and the crew ratio is one to 2.5 passengers.