The Queen Mary was built to carry 776 cabin-class, 784 tourist-class and 579 third-class passengers, all served by 1,101 officers and crew. Internally, the passenger and machinery spaces were accomodated across twelve decks; cabin-class public rooms were located on the promenade deck with cabins on Main, A and B-deck. The tourist class accomodation was found towards the stern of the ship and the third-class accomodation, forward, towards the bow. Public rooms installed aboard the Queen Mary included dining saloons for all classes; the cabin-class dining saloon was 552ft in length and extended the full width of the ship. Elsewhere accomodation included libraries, a children's playroom, cabin and tourist-class swimming pools, gymnasium, smoking rooms in all classes, a garden lounge in third-class, staterooms and twelve cabin-class private suites on Main Deck.