Grandeur of the Seas cabin 3657 is an Inside Stateroom. Cabin located in the Aft (back) section of the ship. The Inside Stateroom on the Grandeur of the Seas has two twin beds that convert to a queen-sized bed, considerable closet space, a private bathroom with shower, as well as a sitting area with desk, drawer space, vanity, and sofa. The interior of the room itself has 144 square feet. In addition, each stateroom also has its own flat-screen television, thermostat controlled air-conditioning, internet access, direct-dial telephone, radio, mini bar, individual safe, and 24 hour room service. Cabin Square Footage: 140 square feet.