77 miles from Patong Bay
Situated halfway between the main Similan Islands and the Surin Islands, Koh Tachai is far too exposed to be a good overnight anchorage. It is often used, however, as a daytime stop with very good diving and snorkelling, and a reputation for abundant manta rays and whale sharks.
Anchor only on sand in 10-15 metres just north of the eastern point and slightly east of the reef from the beach. Better still, pick up one of the big orange government moorings outside the reef edge on the south or north ends of the beach where the fringing coral is closer to shore. The National Park Camp Ground is in the middle of the beach behind the tree line.
Koh Tachai was closed to day visitors indefinitely in May 2016 to help regenerate coral that had suffered extensive anchor damage. At the time of writing, National Parks had announced that Koh Tachai would remain closed for all day trip activities for the 2109-2020 season.
While every effort has been made to ensure that the information contained in this book is accurate, the charts of anchorages are based on personal experience and satellite imagery and are intended as a guide only. They should not be used for navigation. Please refer to Official Hydrographic Charts of the respective countries.
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