Koh Tao
Koh Tao, a small paradise island in the Gulf of Thailand, is renowned as a world-class diving destination, with crystal-clear seas, abundant marine life, beautiful beaches, and a relaxed lifestyle.
Have you ever considered there is a whole other world within our reach? When scuba diving Koh Tao you experience weightlessness while exploring the stunning visual display of the underwater realm.
Koh Tao dive sites are perfectly suited for all diving courses, considering depth, clarity and calmness of the dive environment. The conditions are generally very good making it possible for everyone to dive. The PADI (Professional Association of Diving Instructors) and SSI (Scuba School International) are the two predominant certifying organizations in the +80 dive shops on the island, so opportunities to scuba dive Koh Tao are literally around every corner!
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Scuba Diving Koh Tao |
Price: 3,500 Baht
Duration: 1 day
To experience what it feels like to breathe underwater, the one-day Discover Scuba Diving Course is a great option to see what it’s like to dive. Here you will learn how to use scuba dive equipment and enjoy Koh Tao’s underwater to a maximum depth of 12 metres under the direct supervision of a certified dive professional.
Discover Scuba Diving course includes:
Price: 11,000 Baht
Duration: 3 ½ days
Koh Tao’s most popular scuba diving course — Open Water Diver is a 3 ½ day program where you will receive a qualification to scuba dive to a maximum depth of 18 m. This certification is recognized worldwide and provides the foundation for all future dives. Generally, this course begins with classroom presentations from an instructor, followed by skills practice conducted in a confined environment (swimming pool or shallow bay), where you start with basic skills, along with four open water dives. Minimum age for this course is 10 years old.
Open Water Diver course includes:
Price: 9,000 Baht
Duration: 2 days
The Advanced Open Water Diver Course helps broaden your scuba diving knowledge and underwater experiences. This takes you to the next level of depth and challenges your dive skills while exploring all the extra curricular dive activities available. Included in your 5 Advanced Open Water dives, you take the plunge and go deep to 30 m and expand your underwater navigation skills. The 3 other dives are up to you!
White Rock is a spectacular dive site to visit when diving Koh Tao that is mostly visited for the night adventure dive due to the charismatic behavior of the marine life that become active at night. Scuba divers enjoy exploring the reefs there to witness the hunting patterns of the great barracuda, blue spotted stingrays and view the brilliant phosphorescence. The options for your elective choices include Wreck Diving, Nitrox, Digital Underwater Photography, Fish Identification, Search & Recovery, Buoyancy Techniques plus more. Minimum age is 12 years old.
Advanced Open Water Diver course includes:

© Jingyu Li
Price: 9,000 Baht
Duration: 3 days
Price: 4,000 Baht
Duration: 1 day
If you are currently an Advanced Open Water diver and would like to learn how to help others, your next challenge is the Rescue Diver Course. This 3–4 day program provides you with the necessary skills to assist, supervise and take control of an emergency situation. You will need to have a certification in CPR and First Aid/Secondary Care to be able to attend this course. The Emergency First Response Course (EFR) can be integrated into the rescue program. EFR is an internationally recognized certification for CPR, AED, Primary and Secondary Care. To learn more about Diving Medicine, you may be interested in the O2 Provider Course, an independent program that can also be integrated in the EFR or Rescue Programs. Minimum age is 12 years old.
Price: 2,500 Baht
Similar to the Discover Scuba Diving Program, the PADI Bubblemaker Program gives kids the opportunity to experience breathing from S.C.U.B.A. underwater to a depth of 2–4 metres. The minimum age is 8 years to participate. Conducted in either a pool or at shallow water dive site such as Mango Bay or Japanese Gardens, you will have the chance to feel the same excitement that certified divers experience. The benefits of getting into the shallow open water environment is that you see the beautiful creatures that live beneath our ocean surface. These programs incorporate a series of games to enhance buoyancy control and breathing techniques that can be beneficial to underwater enthusiast of all ages.
Price: 7,500 Baht
The PADI Seal Team Program gives children ages 8 years and above the opportunity to experience scuba diving in a confined pool environment. Here they practice skills used in the open water through several structures sessions. Furthering their knowledge they may progress to the Master Seal Team Program whereby these new divers can take on challenging skills diving at night, developing navigation and buoyancy skills – and all in the secure settings of a swimming pool. Parents can participate or enjoy their time exploring other avenues of diving on the island while the kids are directly supervised by their diving instructor.
If you’re looking for a new place to call home, Koh Tao is renowned for its longterm diving experiences. The affordable accommodation and food options available allow many travellers and avid divers to remain on Koh Tao to dive and continue their scuba diving education to the professional levels of Divemaster and Open Water Scuba Diver Instructor.
There are several diving schools on Koh Tao that have instructor development ratings to offer these accredited professional programs that are recognized worldwide. This level of training opens up the opportunity to work as a dive professional on Koh Tao and around the world. The average time spent for these programs are from 3 weeks to 6 months or more, depending on the individual.

© Michael Richardson
If you are interested in keeping up with the scuba diving trends, there are always new programs being developed. The most recent being the Recreational and Technical Sidemount Diver Course. The experienced diver has the chance to try using different equipment and learn new diving procedures.
All dive facilities on Koh Tao have their own boats, provide scuba dive equipment and professional guides for the daily dive trips around Koh Tao. Some excursions include fruit and soft beverages where as others provide drinking water, coffee and tea. Weather permitting, local dive sites are visited twice daily, regular schedules include 2 x dives in the morning (07:00 – 12:00) and two dives in the afternoon (12:15 – 17:30), along with night dives (18:00 – 20:30) every other day.
Most dive sites surround Koh Tao and Koh Nang Yuan, but there are special day trips organized for Sail Rock and Samran Pinnacles and Ang Thong National Marine Park at most dive schools. These full day trips leave in the morning and include lunch and dive equipment.

© Jingyu Li
The team at Infinite Blue Dive Travel leverages their deep experience of twenty years in the dive industry to arrange inclusive, plant-based dive travel. Click here for more details.
Yes, Koh Tao is one of the best places in Southeast Asia for scuba diving, offering clear waters, diverse marine life, and over 25 dive sites. Learn more about the dive sites here.
Absolutely. Koh Tao is one of the most popular places in the world to get PADI or SSI certified, with many dive schools offering beginner-friendly Open Water courses. See our list of diving schools.
You can earn certifications from beginner to professional levels, including PADI Open Water, Advanced Open Water, Rescue Diver, and Divemaster. Some schools also offer SSI and freediving certifications. Explore course options here.
March to October offers the best diving conditions on Koh Tao with excellent visibility and calm seas. November to February is monsoon season and may have limited dive opportunities. Learn more about Koh Tao weather.
Divers often encounter reef fish, barracudas, turtles, moray eels, and sometimes whale sharks. See our marine life guide.
Yes, several schools like New Heaven Dive School are involved in marine conservation and reef restoration projects. Read their full review here.
A standard PADI Open Water course usually costs around 9,000 to 11,000 THB, and fun dives start at 1,000 THB. Most schools include equipment and accommodation. Compare schools here.
Yes. You can use prescription dive masks, or wear soft contact lenses while diving. Many dive shops offer prescription masks for rent or sale.
Yes, diving on Koh Tao is generally safe when done through certified dive schools. The island has a strong diving culture with experienced instructors and established safety protocols. See top-rated schools here.
Yes. Advanced divers can explore deeper or more challenging sites like Sail Rock, Chumphon Pinnacle, and Southwest Pinnacle. View dive site descriptions.
Koh Tao, a small paradise island in the Gulf of Thailand, is renowned as a world-class diving destination, with crystal-clear seas, abundant marine life, beautiful beaches, and a relaxed lifestyle.
This Koh Tao itinerary will guide you through the island’s vibrant beaches, underwater, and culinary delights, ensuring a great experience.
Plan your trip to Koh Tao with ferry routes and travel options from Bangkok, Chumphon, Surat Thani, and Koh Samui. Updated for 2026.
Koh Tao has a great variety of places to eat offering international cuisines and fusion blends. Here is a selection of Koh Tao restaurants we have reviewed.
Snorkeling on Koh Tao starts just metres offshore, with reefs full of marine life. Here’s your guide to the best Koh Tao snorkeling.

18/3 Moo 3, Koh Tao
Surat Thani 84360 THAILAND
info@kohtaocompleteguide.com