A double room is for two people. These rooms are catered to guests who want double occupancy. It is the most common type of hotel room.
A single room is intended for a solo occupant. It will have one bed, typically 3 by 6 feet. An extra bed can be added for a surcharge. .
A hotel suite is a larger room with a separate living area, bedroom, and bathroom. Suites can be more expensive than standard rooms