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Green Rock is a dive site off the small island of Nang Yuan, Koh Tao. The spot is made up of rock formations and boulders, featuring several thrilling swim-throughs and small caves.

The depth ranges from 5 to 30 meters (15-100 feet), but Green Rock is recommended for experienced divers due to the strong currents. This is also a good place to get your Deep Diver certification.

Hawksbill turtles, green turtles, yellowtail barracudas, banded sea snakes, triggerfish, Durban shrimps, wart slugs, unicornfish, polka dot nudibranchs, and numerous other creatures can be spotted here. Sightings of whale sharks have also been reported in season.

Average visibility at Green Rock, Koh Tao is 10 to 30 meters (33-100 feet).

Dive site info provided by Klara L on Apr, 22nd 2020

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Nearby Dive Centers

Ordered by distance, within a range of 25km

Montalay Beach Resort

Email: info@montalayresort-kohtao.com Telephone: +66 77 456 488-9

          Montalay Beach Resort is on the east coast of Koh Tao overlooking Tanote Bay with it's soft sand and beautiful vistas. The bay is a swimming paradise, so grab your snorkel and check out the pristine coral and abundant marine life. Better still, take a PADI scuba diving course and enter a whole new world! Build your confidence with experienced instructors in their purpose built swimming pool, then develop your skills in their protected bay. All scuba diving training takes place in small groups, which means less hanging around and more serious fun in the water!

Calypso Diving - Koh Tao

Email: dennis@diving-calypso.de Telephone: +66 848 415 166

          Calypso Diving Koh Tao, is under German management and is located on the east side of Koh Tao, in the picturesque and calm Tanote Bay. It has a private reef on the premises, literally a jump away and is very close to the different dive sites. The owners Damir and Dennis offer individual diving activities with small groups, a professional training in accordance with CMAS and SSI Standards. You want find any “mass” diving at Calypso; we prefer a personal approach for our students and experienced divers. Students would not sit in front of a computer or TV, but will have a traditional class, during in-water practices or theory lessons by your choice of language – German, English or French.

Reef Rider Dive Center

Email: reef-riders@hotmail.com Telephone: 0066 - 77 456084

          Established in 1959, Reef Rider Dive Center offers all course levels from beginner to professional. It is not a large school, so you can learn to dive on a more personal level.

Buddha View Dive Resort

Email: info@buddhaview-diving.com Telephone: +66 77 456 074

          Buddha View Dive Resort is Thailand’s premier PADI 5 star Gold Palm IDC Resort and PADI Career Development Centre. With over 20 years of experience Buddha View provides world-class PADI dive courses, diving tours and accommodation to suit all budgets. The resort is located on Koh Tao which is an island in the Gulf of Thailand. It is in the southern part of the island on a stunning bay called Chalok Baan Kao. We offer the whole range of PADI scuba diving courses from half day Discover Scuba Diving or the 3 to 4 day PADI Open Water Diver certification, through to professional level Divemaster and Instructor training. All of our dive professionals are carefully selected for their knowledge, customer service skills and passion for teaching scuba diving. When it comes to teaching scuba diving there are very few dive centres in the world that have more experience so there is no better place to dive than at Buddha View.

Alvaro Diving

Email: info@alvarodiving.com Telephone: +66 (0) 77 456 457

          Located in the quiet area of Saan Jao Beach in Chalok Baan Kao, facing the inspiring Buddha Rock. Equiped with classrooms and video rooms, lounge areas and cleaning stations for equipment. Coffee, water, tea and wifi are always available during opening hours. Alvaro is very spacious, providing a comfortable and positive atmosphere for all. A variety of accommodation, restaurants, bars and shops are all within walking distance. Alvaro Diving takes special care of its equipment. Equipment is maintained daily by qualified staff and is completely renovated annualy to ensure the highest standard of comfort and safety is guaranteed. Equipment is included in all diving activity prices.

Montalay Water Sports Centre

Email: info@montalayresort-kohtao.com Telephone: +66 77 456 488-9

          From local dives for beginners to challenging offshore dives for experienced divers, we cater for all our customer needs. Flexible dive training programs for small groups, gives you the time to go at your own pace. Lessons can be arranged in your own language, helping you get the most from your course Families can discover the fascinating coral reefs together, with scuba programs for kids from as young as 8 years old. Our focus on customer service will ensure a great time discovering the underwater world around Koh Tao The Montalay Water Sports Center offers our guests the chance to experience the vibrant coral reefs of Koh Tao. The following are available: •Snorkeling trips can be organised for individuals or groups. •Fishing tours. •Quality scuba diving services are available for our guests, from their first breaths underwater through to comprehensive internships for budding dive professionals.

Czone Diver

Email: info@czonediver.com Telephone: +66(0) 77 601957

          Located in Thailand’s beautiful Koh Tao island, Czone Diver is a professional diving school that offers the best courses for all skill levels. Whether you are a complete beginner or a confident diver looking for divemaster courses, the diving course in Koh Tao is the best destination for scuba diving in Koh Tao, Thailand. With fun, safety and customer service being the key priorities, Koh Tao scuba diving course lets you experience close encounters with beautiful underwater scenes which will make you fall in love with diving. All those who join Koh Tao scuba diving course will take home the best diving knowledge in an immersive experience, with many guests going on to become day trip tour leaders.

Assava Dive Resort

Email: info@assavadiveresort.com Telephone: 66 77 456 593 (

          The team of Instructors come from all over the world, so they can provide your dive course in your language. The small dive group sizes (max. 4 people) elevates the dive training permitting continuous attention during all dive courses both above and below the water. - Knowledgeable and well trained PADI Divemasters and PADI Instructors - 4 dives a day - 2 tank mornings and 2 tank afternoons - Night dive every second night - Flexibility to change dive site location, giving you a variety - They’re serious, they’re fun… they’re serious fun!

Ihasia Diving Koh Tao

Email: info@ihasiadivingkohtao.com Telephone: +6685 790 9811

          Ihasia Diving Koh Tao is a small and familiar diving school.

Carabao Diving Center

Email: diving@carabaodivingkohtao.com Telephone: (+66) 077 456 402

          With over 20 years of experience, Carabao Dive Resort is a pioneer diving center in Koh Tao. During this time they have certified thousands of divers from all around the world. Regularly upgraded and renovated, the resort offers fantastic facilities and a great value vacation. At Carabao Diving Center they teach all of their courses with SSI, but of course they do accept divers from any other standard certification agency who want to fun dive with them or upgrade their certification level. The main teaching languages are English, French, German, Italian and Spanish, but they also keep a professional network of freelance instructors, which enables them to teach you diving in almost every language.