In 2026, U.S. citizens can visit the Bahamas without a passport only if they are on a "Closed-Loop Cruise," which means the ship departs from and returns to the same U.S. port (e.g., Miami to Nassau and back). In this specific scenario, you can use an original birth certificate and a government-issued photo ID. However, if you are traveling by air, a valid passport is strictly required for all travelers, including infants. Even for cruise passengers, carrying a passport is highly recommended in 2026 for emergencies, such as needing to fly home unexpectedly due to illness or missing the ship’s departure. If you plan to visit more remote "Out Islands" or use private aviation, a passport is non-negotiable. For 2026 international travelers from other countries like the UK or Canada, a passport is always required regardless of the mode of entry, ensuring a consistent and secure border crossing for all visitors.