best secret beaches on earth: Happy Bay, St. Martin. North of Friar’s Bay Beach on the French side of St. Martin, Happy Bay is a happily underpopulated stretch of vanilla sand. It’s a hike to get there: 10–15 minutes on a well-marked footpath through the underbrush, which requires just enough effort to ensure the kind of privacy that has made it popular for those who prefer to sunbathe au naturel.
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best secret beaches on earth: Lameshur Bay, St. John