Turtle Island, Paradise Island perfect islands near Samui. Koh Nang Yuan and Koh Tao gets praise from those seeking pure sandy beaches, clear ocean water and places where one truly can get away from it all. The vibrant coral reefs are home to a wide range of exciting and colorful sea creatures. One of the most famous islands in the world. Explore the coral reefs around Koh Tao Visit all the best spots around Koh Tao and hike up to the amazing Nag Yuan viewpoint - one of the most iconic views in Thailand.