Red Rock Dive Site in Koh Tao

Red Rock rocks ! 

  • Travel time: 10 minutes
  • Location: East side of Koh Nang Yuan
  • Depth: 3 m – 22m. Average 12m
  • Type of site: Rock Pinnacle
  • Level: Open Water diver
  • Conditions: Good
  • Average Visibility: 5-20 m

Red Rock dive site map. Koh Tao, Thailand

Red Rock Pinnacle, off Koh Nang Yuan's east coast, is a fantastic drop-off point for divers exploring the coastline and then complete the dive in Japanese gardens.

Aerial shot of Koh Nangyuan, Red Rock, Twins, Japanese Gardens dive sites

This rock rises dramatically from the sea bed to just below the surface. Adorned with Nudibranchs, the rock features a large crack where Yellow Boxfish, Pufferfish, Durban Dancing Shrimps and Moray eels are playing hide and seek ! You will see abundant marine life including Bannerfish, Angel fish, Beaked Coral fish, Red Breasted Wrasse and Parrot fish and Green or Hawksbill Turtles munching on Corals in this area as well.

sea turtle, koh tao. Thailand

After circling Red Rock, head west with for a short swim to the shoreline. There, you'll discover the entrance to Nang Yuan Cave. Technically a cavern due to its length, this is one of the best swim-throughs on Koh Tao! The play of light within the cave showcases an awesome display, with glass fish silhouetted against the sun's beams. Watch for Blue spotted stingrays and frequent visitors, the Jenkins Whipray, at the cave's bottom. The eastern Nang Yuan coastline, extending north and south, boasts a varied topography, with large boulders adorned with hard and soft corals.

 Blue Spotted Stingray, Koh Tao. Thailand



You can approach this dive in two ways: Dive Red Rock Pinnacle, then swim north after the cave, or head south and finish the dive in Japanese Gardens. Both options provide a fishtastic, leisurely dive experience for Scubaholics who enjoy slightly longer underwater adventures on Enriched Air! 

  • Ready for a challenge like uncovering the hidden secrets of Red Rock? Your gateway to mastering the skills needed for exploring overhead environments is our PADI Cavern Diving Specialty. This course allows you to delve into caverns worldwide, equipped with the knowledge and skills to navigate them safely. Experience the thrill of venturing deep enough for adventure while staying within the light zone for an easy return to open water.
  • Perfect your buoyancy skills specifically for cavern diving with our Peak Performance Buoyancy Specialty course. Many cavern and cave divers also opt for Enriched Air Diver certification to extend their underwater exploration time.
  • If you're passionate about cavern diving, you might find the Sidemount experience intriguing.

 Sidemount diver in Koh Tao, Thailand


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