The trip from Bangkok to Koh Tao consists of two part traveling: from Bangkok to Chumphon and from the pier at Chumphon to Koh Tao by boat. And for the tourists who want to visit Koh Samui and Koh Phagnan at the first, you can take a boat from Suratthani instead of Chumphon. The most popular journey to get here from Bangkok – Chumphon - Koh Tao is to use the bus/boat combination trip where the tickets are available from many travel agencies on Thanon Khao San.