St. Barth's

This untouched beach is the island's longest and has a sandy bottom for swimming. It's the preferred precinct of the topless and the fully nude. — Concierge

With its soft sand and placid water, Flamands gets our vote. Reserve a beachside table at Le Case de l'Isle (590-590/276-181), at tony Hôtel St.-Barth Isle de France. — Travel + Leisure

Those interested in water sports – including kayaking, windsurfing, kite surfing, even fly fishing – should visit Anse de Grand Cul de Sac. — U.S. News & World Report

This beautiful southernmost beach is a best bet for nude bathing and snorkeling, and its caves are said to be the legendary location of the pirate Montbar's hidden treasure. — Concierge

As its name implies, this relatively small Gustavia beach boasts lots of seashells, and it is overlooked by the Do Brazil restaurant and beach bar. — Concierge

Reef-protected waters make this hip French Riviera–style beach tops for snacking, snorkeling, and people-watching. — Concierge

Accessible only by boat or on foot, Plage de Colombier (Colombier Beach) feels like a private oasis with azure waters for swimming and snorkeling, unbeatable views, and a tranquil atmosphere — Travel + Leisure