Sea Princess has been adapted to British tastes and has a warm intimate feel yet a wide range of spacious public rooms. The four deck high atrium lobby and the use of a lot of glass on the upper decks provides light and space to the ship interiors. Sea Princess passengers tend to be Mixed Ages and American and British depending on region and ship.. When all cabins have double occupancy, the ship provides a space ratio of 38.1 tons per passenger and a crew to passenger ratio of one for every 2.3 passengers. At full capacity the space ratio is 33.9 tons per passenger and the crew ratio is one to 2.6 passengers.