With a name that translates to “Turtle Island,” it’s no surprise that Koh Tao is one of Thailand’s premier diving destinations. There are many Koh Tao tours that help you experience the most of this island with experienced guides, whether you go snorkeling or diving—you can even become scuba certified here in just a few days. Between trips out on the water, soak up the island’s nightlife or take a cultural tour to learn more about life in Thailand.