Buses are the cheapest means of transport to reach Koh Tao. Other operators who provide bus services from Bangkok to Chumphon include Suwanati, Chokanin, and Patcharapon.
Koh Tao can be reached by ferries taken from Chumphon, Koh Samui and Suratthani. The Lomprayah High Speed Catamaran provides many trips daily, from 6 am to 9 pm.