Beaches + rainforest + colonial architecture in USD
San Juan's Old Town is the closest thing to a Caribbean colonial capital most Americans will experience without a passport. Direct flights from every major US city. El Yunque rainforest + Vieques bioluminescent bay + Rincon surf. USD currency, English + Spanish widely spoken.
✈ MIA (2h) · JFK (3.5h) · IAH (4h) · LAX (7h) direct
Caribbean beaches, no passport required
St. Thomas (Magens Bay + shopping) + St. John (Trunk Bay + Virgin Islands National Park) + St. Croix (quiet + snorkelling). Ferry between islands. Charlotte Amalie is a top Caribbean cruise port. USD currency.
✈ STT: JFK (4h) · MIA (2.5h) · CLT (3.5h) · ATL (3.5h) direct
Pacific island vacation, US territory
Tumon Bay resort area, WWII history sites, world-class scuba diving (Blue Hole), duty-free shopping. Long-haul from mainland US, but from Hawaii or West Coast this is genuinely tropical.
✈ HNL (7h) direct · LAX (~12h via HNL)
3-14 day cruises from US ports w/o passport
Royal Caribbean, Carnival, Norwegian all run closed-loop Caribbean routes from Miami / Fort Lauderdale / Port Canaveral / Galveston / New Orleans / Baltimore. Return to same port = no passport. Popular short-hops: Miami → CocoCay (Royal Caribbean), Miami → Nassau (Carnival), 4-day Bahamas.
✈ Sail from MIA / FLL / PCB / GLV / NOP / BWI ports
Glaciers + wildlife from Seattle w/o passport
Alaska cruises departing from Seattle and returning to Seattle qualify as closed-loop domestic — no passport needed. Inside Passage + Glacier Bay + Ketchikan + Juneau + Skagway. Note: Vancouver-departure Alaska cruises DO require a passport.
✈ Sail from SEA (Seattle) — fly SEA from any US city
Remote South Pacific US territory
The most remote US territory. Pago Pago harbor + National Park of American Samoa (only US national park south of the equator). Ideal for travelers wanting genuine cultural immersion without international paperwork.
✈ HNL (5h via Hawaiian Airlines twice weekly)
Pacific US commonwealth beaches
Saipan's Managaha Island snorkelling, Grotto dive site, WWII history. Long-haul from mainland but a Pacific paradise without passport requirement for US citizens.
✈ GUM (30min) · HNL (~7h via GUM)
50th US state
Domestic US flight — no passport needed, no customs. Oahu (Waikiki + Pearl Harbor) · Maui (Road to Hana + Haleakala) · Big Island (Volcanoes NP + Kona coffee) · Kauai (Napali Coast). US dollar. English official.
✈ Direct from most major US cities to HNL, OGG, KOA, LIH