Koh Tao Location
Where is Koh Tao? it's a small island located approximately 70km east of the coastline between Surat Thani and Chumphon in the Gulf of Thailand.
The trip to Koh Tao is in two parts: First you travel to either Koh Samui, Chumphon or Surat Thani. Then you travel from any of these destinations to Koh Tao.
Check out your visa requirements for Thailand