St. Croix (USVI) Travel Guide: Best Beaches, Snorkeling & Where to Stay
Updated August 2026: U.S. citizens do not need a passport for domestic travel to St. Croix, but adults age 18 and older flying must present a REAL ID-compliant state ID or another TSA-accepted form of identification. Regular passenger ferry service now operates between St. Croix and St. Thomas on published days; verify the live VIPA schedule before travel.