Blue Beach (La Chiva), Vieques, Puerto Rico

Blue Beach (La Chiva), Vieques, Puerto Rico

A long, thin stretch of perfect sand and clear water in a thousand shades of blue make this one of the Caribbean's top beaches. Since it's accessed only by parking in one of 21 tiny turn-offs along a bumpy, unpaved road in the middle of the island's western National Wildlife Refuge (formerly off-limits as a U.S. Navy training base), getting there is part of the adventure. Snorkel on your own around a small cay, or book a trip with one of the island's operators for a trip to its secret underwater spots.

Where to stay: W Retreat & Spa, Vieques.

NB: PRAY FOR PUERTO RICO