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Koh Tanga & Koh Chuku

Koh Chuku west coast
Koh Chuku west coast with Koh Tanga in the background | Photo by Grenville Fordham

Koh Tanga and Koh Chuku, halfway between Butang and Tarutao offer great snorkelling, diving and fishing. Well worth a visit en route to either destination.

Koh Tanga & Koh Chuku chart
  • A
  • B
  • C


58 miles from Koh Lanta Lighthouse

KOH TANGA (A) 6°34.700N, 99°27.077E.
(B) 6°34.438N, 99°27.450E

The best anchorage is found on the east or west coasts between the north and south Tangas, depending on wind direction and ground swell. Alternative daytime anchorage can be found at (C) 6°33.482N, 99°26.887E in deeper water in 15-20 metres off the southern end of Koh Tanga.

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  • D


60 miles from Koh Lanta Lighthouse

KOH CHUKU. 6°34.107N, 99°28.186E

Fantastic daytime anchorages anywhere around Koh Chuku on the sandy bottom. Watch out for rapidly rising reef on west coast. Limited moorings are available. Abundance of fish life and baby sharks make this a must stop for aquatic enthusiasts.

Koh Chuku is popular with day trippers from Koh Lipe for short photo-op visits, but there are no restaurants or other facilities here, so early morning, lunchtime and late afternoon you’ll probably have the place to yourself.

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Koh Chuku's archway is a favourite photo opportunity for day-trippers
Quick photo op on Koh Chuku (also known as Koh Bon) for SEAP co-author and publisher Grenville Fordham | Photo by Suphaporn Fordham

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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.

The copyright holders of all content, in print and digital editions, are: Published book © Phuket Publicity Services Ltd. Part. / Texts © Bill O’Leary, Andy Dowden & Grenville Fordham / Design, layout & charts © Grenville Fordham / Photography: © as indicated in photo credits. All rights reserved
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