Age Requirement for Hotel Room bookings varies depending on the hotel, location, and local regulations. Many hotels require guests to be at least 18 years old to reserve and check into a room, while some properties may set a minimum age of 21 or older. Hotels often request a valid government-issued photo ID and a credit or debit card at check-in to verify the guest’s age and identity. Travelers are encouraged to review the hotel's policies before making a reservation, as age requirements can differ between hotel brands and destinations.