Yes, all visitors to The Cayman Islands are required to have a valid passport. This includes both adults and children. If you do not have a passport, make sure you give yourself ample time to apply for and receive your passport prior to scheduling your flights and booking your accommodations.

Yes, you absolutely need a valid passport to enter the Cayman Islands if you are arriving by air. For citizens of the United States, Canada, and the United Kingdom, the passport must be valid for at least the duration of your intended stay, though having six months of validity is a standard "pro-tip" to avoid any airline issues. While cruise passengers on a "closed-loop" voyage (starting and ending at the same U.S. port) were traditionally allowed to use a birth certificate and government ID, the Caymanian government and most airlines in 2026 strongly prefer a passport for all travelers to ensure smooth processing in case of an emergency that requires flying home. Additionally, you may be asked to provide proof of a return or onward ticket and evidence of "sufficient funds" for your stay. As the Cayman Islands is a British Overseas Territory, immigration rules are strictly enforced to maintain the safety and security of its high-end tourism industry.