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Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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Koh Yak Lek is a small rocky island next to Koh Rang, inside a national marine park in the Koh Chang area of Thailand. It is a shallow dive site with excellent coral and abundant marine life, and it is also regarded as one of the best snorkelling locations in the area. The setting is attractive both above and below the water.
Terrain here is simple. Underwater, the bottom slopes from the edge of the island down to a white sandy floor that lies at 5 to 15 metres around the island. A standard dive circles the island and can easily last 60 minutes, so there is plenty of time to cover the whole circuit at a relaxed pace.
Marine life is abundant on the coral around the island. Large schools of fusiliers and yellow tail barracuda are often present, and divers can follow them along the reef. Many other exotic fish are seen here, protected by the national park status of the area.
Suitability is wide. The site is rated easy to moderate, an Open Water Diver certification or equivalent is enough for fun divers, and it is also used for training dives with Discover Scuba students. Snorkellers can enjoy the shallow coral from the surface.
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Pink Skunk AnemonefishAmphiprion perideraionReported here · unconfirmed
Scissortail SergeantAbudefduf sexfasciatusReported here · unconfirmed
Blue-barred ParrotfishScarus ghobbanReported here · unconfirmed
Pinkfish Sea CucumberHolothuria edulisReported here · unconfirmed
Stichopus horrensReported here · unconfirmed
Moon WrasseThalassoma lunareReported here · unconfirmed
Eightband ButterflyfishChaetodon octofasciatusReported here · unconfirmed
Lollyfish Sea CucumberHolothuria atraReported here · unconfirmed
Blackspot SergeantAbudefduf sordidusReported here · unconfirmed
Black Longspine UrchinDiadema setosumReported here · unconfirmed
FusilierFusilierReported here · unconfirmed
BarracudaBarracudaReported here · unconfirmedDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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