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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

Nava Scuba Diving

Email: hello@navascuba.com Telephone: +66 81 168 1144

          NAVA Scuba Diving is a newly opened dive shop located in the south of Koh Tao. We are in the area of Chalok, a relaxed and quiet beachside area, just a few minutes away from the main pier. NAVA is situated right on the beach, with water lapping at the steps of our dive shop. You will learn your diving theory in the open air classrooms on comfortable beanbags, before being equiped with the latest ScubaPro diving equipment. Our safe and reliable taxi service will then take you to the pier where our dive boat is waiting. At NAVA we are a small and dedicated team, and you will always be welcome to join us for a sunset drink at the end of the day.

Coral Grand Divers

Email: info@coralgranddivers.com Telephone: +66 (0)77 456 431

          Located in the Gulf of Thailand, Coral Grand Divers is a PADI 5 Star IDC Center and one of the only 100% Project Aware Dive Centers on Koh Tao in Thailand. Set within their beachfront resort in the northern part of Sairee Beach, Coral Grand Divers makes scuba diving fun and enjoyable experience. They offer all PADI courses from entry level to professional level training. You can try diving for one day (Discover Scuba Diving), get your PADI Open Water or Advanced Open Water certifications, or even train to become a dive professional, becoming a Divemaster or Instructor! The PADI courses are taught by a team of highly experienced multi-lingual PADI Diving Instructors a sound learning and beautiful environment, at the beautiful Koh Tao Coral Grand beach resort in Thailand.

Big Blue Diving

Email: info@bigbluediving.com Telephone: +66 (0) 77 456 050

          Welcome to Big Blue Diving, Koh Tao's most recommended PADI Dive Center, SSI Platinum Instructor Training Facility, PADI Instructors, BSAC Center of Excellence and a TDI/SDI 5 Star Instructor Development Facility, with accommodation for all budgets ranging from FREE dormitories to poolside Air conditioned rooms with sunset views al fresco classrooms as well as the most idyllic beachfront Restaurant & Bar. Koh Tao is a relaxed little tropical island paradise. The water is never cooler than 27 degrees and averages throughout the year at around 30 degrees. Water visibility often stretches 20 meters or more and the diversity of the dive sites generates continuous tourist interest throughout the year. The resort is situated on the west coast of the island in Sairee Beach, the nicest and largest stretch on Koh Tao. Every day you awaken to the crystal clear azure waters of the Gulf and each night we are greeted with the glowing warmth of a setting sun. There is an atmosphere on Koh Tao like nowhere else in the world. Its easy to arrive here & immediately fall in love with the island.

Goodtime Adventures, Koh Tao

Email: info@goodtimethailand.com Telephone: +66872753604

          At Goodtime, we offer a full range of scuba diving courses accredited by SSI – Scuba Schools International. From beginner certifications, through continuing eduction, and all the way up to professional courses, we have you covered. All trips are run from one of our three purpose built dive boats directly from the beach right in front of our shop. Our vessels take 7 to 20 divers, ensuring more comfortable journeys and less time waiting for other groups to do their thing. Student numbers on both courses and fun dives are restricted to four per instructor, allowing you to get the most out of your time with us. Bigger groups can be accommodated if required though. For group sizes above the standard four, we will provide you with two members of staff! Unlike most other dive centres we stagger our departure times, allowing a later start (more sleepy time for you!) and arrival time at dive sites, so even at the most popular locations you will see more fish and less other divers!

Djl Diving

Email: office@davyjoneslocker.asia Telephone: +66 (0)77 456 604

          First setup in 1996, DJL Diving is a western owned dive shop on tropical Koh Tao island, Thailand. Originally based in the Mae Haad area of the island and then relocating to Sairee in 2006 where they have their own dive school bar & restaurant, swimming pool, Tech Diving office, classroom facilities along with their dive shop which is located on the beach road, often referred to as 'The Yellow Brick Road' right opposite the Silver Sands Resort where they provide discounted accommodation. The Dive Team is made up of very experienced instructors, some with up to 20 years teaching experience. With this comes expertise in a wide range of diving activities. The staff have experience teaching recreational diving courses, divemaster internships, instructor development courses, wreck and technical diving, compressor & boat maintenance, first aid & CPR, expedition planning. Most of our scuba diving courses are conducted in English but French, German, Danish and Spanish speaking instructors are also available.

Ko Tao Dive Resort

Email: kotaodivesresort@gmail.com Telephone: +66 (0) 895871843

          Located in Chalok Baan Kao, Ko Tao Dive Resort has a long and clean private beach with white pretty sand and a low tide passable for sunbathing. Ko Tao Dive Resort is a PADI 5 star dive resort which offers dive courses with PADI Diver Training. Everything from your first dive experience to Professional level within the" Quality Dive, Luxury Service & Small Group setting. So if your primary objective is to visit Koh Tao for diving then they invite you to stay with them. Ko Tao Dive Resort offers a wide variety of quality accommodation with the Mountain View, Beach Zone or Paradise Zone that all access one of three swimming pools.

Big Blue Freediving

Email: info@bigblue-freediving.com Telephone: +66 (0)77 456 179

          We are one of Koh Tao's first Scuba resorts to embrace the art of freediving and in 2012 opened Big Blue Freediving and instantly became the only center on Koh Tao with a pool in which to practise and our own dedicated Freediving boat. Inspired by the movie classic Le Grande Bleu, directed by Luc Besson, and starring Jean Reno & Jean Marc Barr the movie is a story focusing on the friendship of 2 legendary Freedivers Jacques Mayol and Enzo Maiorca in the world of competitive freediving. It was due to the impact of this movie on my life that when it came to giving my new Dive center on Koh Tao a name in the early 90's I opted for the name of my favourite movie- Big Blue. So it was with enormous excitement when we first opened Big Blue Freediving and now nearly 10 years later we are very proud of just how many divers we have trained in the skill of breathholding. At Big Blue Freediving we focus on training individuals to become confident freediverscame to open Dive Center We believe that Freediving allows you to glide through the ocean and swim through its accessible caves, what we call ‘swim throughs’! Freediving enables you to explore freely and discover our magical underwater world. Freedivers, regardless of age, have the opportunity to experience the ocean like never before!

Scuba Shack

Email: info@scubashackkohtao.com Telephone: +66 (0) 77 456 815

          Scuba Shack is located on the beautiful island of Koh Tao in the Gulf of Thailand. A small island, only 23 km2, it is surrounded by amazing coral reefs and crystal clear waters. They have over 25 dive sites all easily accessible and great diving conditions all year round. They are dedicated to giving you the best diving experience possible. Whether you are looking to Give Scuba Diving a Try for the first time, become a PADI Pro, or anything in between, they will always go the extra mile to ensure that everyone has a great time!

Mojo Divers

Email: info@mojodiverskohtao.com Telephone: +66 (0)­77 456 710

          Mojo Divers is a small, friendly diving school in Koh Tao located at the north end of the popular Sairee beach; the instructors and divemasters they use have several years of experience teaching and have logged hundreds of dives around the world. They all have a passion for diving and love to teach and share their knowledge and experiences. One way or another they have all found their way to Koh Tao and made it their home and when you get here you will see why. Mojo Divers' aim is to give fun, safe and enjoyable diving whether it is fun diving or just starting your diving adventure and you will leave the island with some amazing memories and experiences to share with your friends and family. They keep their groups small, a maximum of four customers per group to give you an excellent, personal service. Mojo Divers aims to give you a great service while also considering the environmental impact of diving on the corals and marine life. Koh Tao is a small island with limited resources and infrastructure and nearly everything that you see, eat and throw away has to be transported on and off the island and all this an environmental as well as financial cost.

Siam Scuba

Email: info@siamscuba.com Telephone: +66 (0) 77 456 842

          Operating since 2004, Siam is one of the best established dive operations on the island. Perfectly situated with a prime beachfront location at the center of Sairee Beach, we offer the ideal setting for your diving adventures, whether you are a complete novice or experienced diver. Learning with us is both easy and comfortable, thanks to our open air classrooms right on the shoreline. What makes us special and sets us apart from other dive centers is how we personalize our courses. Instead of running short, vacuum packed courses we have a maximum group size of 4 and are able to tailor make our schedules to suit your needs. We can, however, also accommodate larger groups travelling together on request. We favor a more relaxed timescale, allowing you to take things at a slower pace if you prefer, and spread your learning out over a longer timeframe so you can even take breaks during your course. Of course shorter courses are also available as standard. In short, we are completely flexible to your needs, whatever they may be. So whether you are a solo traveler, couple, or holidaying with family or friends we are sure to be able to construct a schedule that will be suitable for you.