Puerto Rico Travel Guide: Best Beaches, Old San Juan, El Yunque & Bioluminescent Bays
Updated August 2026: U.S. citizens do not need a passport for domestic travel to Puerto Rico, but adults age 18 and older flying must present a REAL ID-compliant state ID or another TSA-accepted form of identification. Ferries to Vieques and Culebra depart from Ceiba and should be booked early when possible.