Oxygen Tour Koh Tao, the best ranking on Trip Advisor for Snorkeling and sightseeing around the island Koh Tao and Koh Nang Yuan. Daily offer: Full Day Trip start 09.20 am. Half Day Trip start 11.20 am. Available booking online 24 hours please visit our website: https://oxygentourkohtao.com Please like and follow Oxygen's Facebook Fanpage: https://www.facebook.com/kohtaoo2snor... #dream