The Koh Tao Donsak ferry route connects Koh Tao Island with Thailand. Currently there is just the 1 ferry company operating this ferry service, Seatran Discovery. The crossing operates up to 14 times each week with sailing durations from around 4 hours.
Koh Tao Donsak sailing durations and frequency may vary from season to season so we’d advise doing a live check to get the most up to date information.