Most of this limestone island is a protected marine reserve… which means you’ll enjoy unspoiled beaches, as well as fantastic diving and snorkeling. Several local dive shops get great reviews from our travelers. When you’re back on dry land, chill out even more with a session of yoga on the beach.

The southern Thailand town of Krabi serves as base camp for exploring the province of the same name, a lush region of jungles, limestone cliffs and idyllic isles floating just offshore in the Andaman Sea. Buddhist shrines still used by local monks are tucked into the chambers of the town's top attraction, Tiger Cave. The riverside pier links travelers with ferries and longboats to the best scuba diving, rock climbing and white sand beaches on the coast.

Packed with all the amenities—and unsightly development—of a modern Thai harbor town, Ao Nang is a popular base camp for exploring Krabi’s karst islands. A long arc of sand is shared by long-tailed boats delivering day-trippers to resorts and rowdy beach bars.

Thailand’s largest island is an international magnet for beach lovers and serious divers, who enthusiastically submerge themselves in the Andaman Sea. Blue lagoons and salmon sunsets make for a dream-like atmosphere, and indeed, a vacation here can feel a bit surreal. Watersports are the most popular activities, though once you’ve had enough sun there�