The Guinness Book of World Records has acknowledged Mosquito Bay in Vieques as the brightest bio bay on Earth. Thousands of tourists visit Puerto Rico to experience the bioluminescent bay phenomenon.

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... of bioluminescent dinoflagellates live in each gallon of bay water, and ...

Home to more than 270 miles of coastline, Puerto Rico is famous for its white sand ... but if snoozing under a palm tree sounds more your style, opt instead for Zoni Beach. Yes No ...

After your meal, head to Luquillo Beach, lined with tall palm trees. It offers scenic ... also where one of the three ...