CULEBRA, Puerto Rico — The 4-foot-tall yellow sign on the chain-link gate didn’t just say “Danger: No trespassing” in block letters. It also had a black-and-red image of a bomb and the warning ...

Here’s what you need to know about visiting the island of Culebra. With countless direct flights and no passport needed for U.S. travelers, Puerto Rico is one of the most convenient and affordable ...

It’s easy to find solitude on Culebra, part of a 23-island archipelago off the eastern coast of Puerto Rico. About a quarter of the archipelago is a U.S. Fish and Wildlife Service-administered ...

CULEBRA—Captain Taz delivers the instructions nonchalantly. "I'll get as close to the shore as possible and then you jump out," he says. I had asked Taz Hamrick to take me to Culebrita, an island off ...