Ko Tao (Things to do - Places to Visit) - KO TAO Top Tourist Placesbr Island in the Gulf of Thailandbr Ko Tao is an island in Thailand. Restaurants, nightspots and dive shops cluster in Mae Haad Beach and near Sai Ri Beach. br br Villas dot palm-fringed beaches such as Chalok Baan Kao Bay, on the south coast. In the northwest, Koh Nang Yuan is a group of islets with hilltop views. Ko Tao is known for its tropical coral reefs, with species including whale sharks and rays. Hawksbill and green turtles gather here to breed.