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. This guide also covers San Juan nightlife, El Yunque, beaches, ferries and adventure planning.
Puerto Rico Itinerary 2026: 5 Days vs 7 Days for San Juan, El Yunque, Bio Bays, Vieques, Culebra + Beaches Disclosure: This post may contain affiliate links. If you book through them, we may earn a small commission at no…
Updated August 2026: U.S. citizens do not need a passport for domestic travel to Culebra, but adults 18+ flying need REAL ID-compliant or other TSA-accepted ID. The Ceiba–Culebra ferry is currently about 1 hour 30 minutes; arrive about 1 hour early and remember boarding typically closes 10 minutes before departure.