Want to learn to dive in affordable tropical paradise-like surroundings? Well, then Koh Tao is just the place for you! This small island in Thailand is surrounded by shallow coral reefs and is one of the world's most popular as well as cheapest places to take diving courses to attain the open water dive certification. This attracts wannabe divers to Koh Tao from around the globe. Koh Tao is also home to sandy beaches, lively nightlife, and great possibilities for snorkeling, sailing and game fishing.