Yes, as of early 2026, an 18-year-old can legally book a hotel room in Dubai. Historically, the legal age of majority in the United Arab Emirates was 21, which meant many hotels restricted primary check-in to those 21 and older. However, a significant Federal Decree-Law enacted in January 2026 lowered the age of adulthood from 21 to 18 years. This change unifies civil capacity across various sectors, including financial management and travel. While the law now permits 18-year-olds to enter into such contracts, it is a high-value peer tip to verify the specific policy of your chosen hotel before arrival. Some private establishments may still maintain their own internal "house rules" regarding age for liability or insurance reasons, particularly in high-end luxury resorts. Always carry a valid passport or Emirates ID for the mandatory check-in registration required by Dubai's Department of Economy and Tourism.