Lang Khai Bay, Koh Tao, is a wild spot for ocean lovers. Giant boulders stretch from the shore into crystal-clear water, covered in coral and anemones. If you’re a confident snorkeler or freediver, check out the three underwater “cracks.” These narrow, half-submerged caverns are about 3–5 meters deep, 2–3 meters wide, and 10 meters long. One even hides a secret: a tiny hidden beach at the end—but it only shows up when the tide is just right. This is one of those quiet spot that not many people know about. Just make sure you’re experienced before heading in. Safety first, always!

Freedive in the crack of Lang Khai

Dive into one of the cracks and find that it is dry at the end of the cavern
Read more about Lang Khai Bay, Koh Tao
Read more about Koh Tao’s Best Beaches for Snorkeling
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