Twins

One of the most famous dive sites on Koh Tao, this site features something for every experience level. Ranging from 5 to 19 meters, Twins is located just off the western side of picturesque Koh Nanguan and is a favorite of students and leisure divers alike.

You will find many blue-spotted rays, all the classic tropical fish, crocodile needlefish, and even the occasional seahorse. Hawksbill and green sea turtles are seen semi-regularly, and Siberian gobies cover the sandy areas.

Level

Level

  • Beginner
Visibility

Visibility

  • 11 m
Current

Current

  • Light Current
  • No Current
  • Strong Current
  • Ripping Current
DIVE TYPES

DIVE TYPES

  • Night Dive
  • Wall/Drop Off

Temperature & Visibility

Dives

Wildlife Diversity

Affiliated Training Center

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Dive sites nearby

This dive site is located next to the "Twins" dive site on the west side of Nan Yuan Island, adjacent to Koh Tao. It is a calm sandy area with a variety of objects to practice neutral buoyancy at a depth of 5 to 18 meters, so it is often used for training.

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No Name Pinnacle

Classic pinnacle off of Twins (another dive site) but much less divers than Twins due to its location being slightly deeper. Quite fun to dive for advanced divers.

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Japanese Gardens is located on the east side of Koh Nanguan. Its protected and a very calm and easy site. The sandy area off. Its a very calm and easy site. The sandy area off the island gradually gets deeper and deeper, and you can wall dive along the island to the north. The depth ranges from just a couple meters to about 16 meters.

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White Rock, also known as White Rock and Black Rock, is located to the south of Nan Yuan Island, adjacent to Koh Tao. The whole site is a fairly large root, so no matter how many dives you do, you will never get bored of it, depending on the course you take, the depth and the type of life you observe. Beginners and seasoned divers alike should enjoy it.

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Red Rock

Big swim through available to advanced freedivers, very nice and different from most of the other dive sites around. Coral reef available outside of that cave for less experienced divers.

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This “drift“ dive site is located on the north side of Nan Yuan Island, adjacent to Koh Tao. The name “Green Rock“ comes from the fact that the roots near the surface of the water look green. The depth ranges between 10 and 25 meters and 30 to 40 meters depth can be found with a short swim to the West.

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This dive site is located to the south of Nan Yuan Island, adjacent to Koh Tao. It is a landscape of large piles of rocks folded over each other, and the depth of the rocks rises from 30 meters to near the water’s surface.

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This is a wreck dive site where a Royal Thai Navy warship lies submerged just off the side of Himpi Wee, a dive site south of Nang Yuan Island adjacent to Koh Tao. The warship lies on the bottom of the water at a depth of about 30 meters and the bridge is at a relatively deep point, about 18 meters. This is a popular dive site that is sure to look great on Instagram.

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Mango Bay

This is a great sight for training dives as there is a big sandy area ranging from 1m to 16m deep. Two different areas with huge artificial reef concrete cubes are good for buoyancy or technical training.

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Junkyard

This dive site contains a lot of artificial items such as a Jeep, a toilet seat, etc... Which are now all new marine life habitat! Please don’t touch!

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