Snorkel the turquoise waters of koh nangyuan on this all day tour with a convenient pickup service on koh samui and a cruise by catamaran to koh tao discover one of the best snorkel sites of the gulf of thailand and swim among the coral reefs with colorful fish such as mango tian nok hin wong and sairee bays visit the amazing nangyuan island near koh tao and stay in one of the most unique places on earth