Welcome to
CHALOK
REEF DIVERS

SSI scuba diving courses and guided fun diving in Chalok Baan Kao, Koh Tao

Chalok Reef Divers welcomes first-time and certified divers from our base in the south of the island. Learn in our onsite pool before progressing to open water, continue your training, or join guided fun dives around Koh Tao. Accommodation is available through Chalok Reef Divers Hostel.

Special Offers!

Limited Time Savings! Book Now!

Open Water Diver

฿9,950

Normally ฿10,950

Save ฿1,000

Advanced Open Water now

฿8,950

Normally ฿9,950

Save ฿1,000

Dive & Stay Special

฿10,900

Normally ฿11,900

Save ฿1,000

Includes Open Water Diver course plus hostel stay.

WhatsApp for Dive & Stay

Scuba Diving Koh Tao – SSI-Certified Dive Centre in Thailand

Chalok Reef Divers is an SSI dive centre in Chalok Baan Kao, Koh Tao. We provide a clear route from a first underwater experience to certification and continued diving:

Course and dive-site choices depend on certification, recent experience, training goals and conditions. This homepage gives an overview; the linked course and diving pages contain the detailed requirements and schedules.

Top Dive Sites Around Koh Tao

CRD selects sites according to sea conditions, diver experience and the day’s training objectives. Browse our Koh Tao dive-site and marine-life guides for first-hand detail about individual locations.

SSI Scuba Diving Courses in Koh Tao

As an SSI dive centre in Koh Tao, we offer internationally recognised scuba diving certifications for beginners, certified divers, and those pursuing a professional diving career.

Try Scuba Diving – try dive experience with no prior certification

Open Water Diver – your first full scuba diving certification

Advanced Open Water Diver –  with this program improve skills and explore deeper dive sites

Rescue Diver + Emergency First Response

Divemaster Training – professional diver pathway

• Specialty courses – Nitrox, Night Diving, Perfect Buoyancy, Deep Diving

All courses include high-quality dive equipment rental, structured confined water training, open water dives, and small group instruction for safety and comfort.


⭐ Rated 5.0 on Google: We’re proud of our exceptional customer reviews.

 
Divers love our friendly vibe, eco focus, and professional instructors.
 
Ready to start your Koh Tao diving adventure?

 

Why Scuba Diving in Koh Tao Is World-Famous

Koh Tao offers sheltered bays, granite pinnacles, wrecks and offshore sites within reach of island dive centres. That variety allows instructors and guides to choose locations that fit the day’s conditions, the training objective and each group’s certification and experience.

At Chalok Reef Divers, confined-water training can begin in our onsite swimming pool before students progress to suitable open-water sites. Certified divers can continue with advanced training or join fun dives, while our dive-site guides explain what different locations are actually like underwater.

Visibility, current and marine-life encounters vary. Choosing an appropriate site and setting realistic expectations are part of planning a good dive.

Try Diving on Koh Tao and you may get lucky and see a Whale Shark Viens plonger à Koh Tao
Tauchen Koh Tao Deutsche Tauchschule

Training carried out in our own onsite swimming pool.

WHY CHOOSE CHALOK REEF DIVERS?

There are many dive shops in Koh Tao, but here’s why divers choose us:

Safety

Safety and professionalism

All of our dive courses and fun diving trips are run to the highest of standards with both your safety and enjoyment in mind. At Chalok Reef Divers, the level of service we provide doesn’t just check the box on diving standards. We pride ourselves on exceeding them.
Small dive groups

Small groups

We limit group sizes on all courses and dive trips to a maximum of 4 people per dive professional to ensure your safety and enjoyment. Larger courses can be accommodated on request, however, we simply add another instructor.
Diving on Koh Tao

Excellent location

Our home base in Chalok is located far enough away from the hustle and bustle of Sairee and Mae Haad to ensure a peaceful experience, yet close enough to allow easy access to all of the services and facilities you need. Just to make things extra easy, we offer a free shuttle service.
Save the world and the oceans Eco diving practices

Eco focus

We’ve made every effort to ensure our operations are as eco-friendly and sustainable as possible. We run regular land and beach clean-ups and minimise the utilisation of single-use materials around our resort.

Explore Marine Life While Scuba Diving in Koh Tao

Koh Tao’s reefs and offshore formations support schooling barracuda, reef fish, turtles, macro life and, occasionally, larger visitors such as whale sharks. No wildlife sighting is guaranteed, and conditions influence what a group can comfortably explore.

Our dive-site and marine-life guides cover individual locations in more detail. Certified guests can also see the current options on our fun-diving page.

Start Your Scuba Diving Adventure in Koh Tao

Chalok Reef Divers is located at Woodlawn Villas Resort and Chalok Reef Hostel in Chalok Baan Kao, Koh Tao — close to some of the island’s best dive sites.

📍 Chalok Baan Kao, Koh Tao, Thailand
📱 Contact us via WhatsApp or our booking form
📷 Follow our latest dives on Instagram and TikTok

Frequently Asked Questions About Scuba Diving On Koh Tao

What is the best dive site in Koh Tao?

There is no single best site for every diver or every day. Popular options include Chumphon Pinnacle, Sail Rock and the HTMS Sattakut wreck. The right choice depends on conditions, certification and experience.

Yes. Koh Tao is one of the best places in Thailand to learn scuba diving. Try Scuba Diving experiences lets you explore the reef safely with a certified instructor — no license required. If you would like to get your diving license you can take the Open Water course.  Both of these options are ideal for first-time divers.

Our Open Water Diver courses take 3 days and include electronic  materials and theory sessions, confined water training, and open water dives.

Koh Tao offers both sheltered training areas and more demanding dive sites. CRD chooses training locations according to sea conditions, course objectives and student comfort rather than relying on a fixed number of sites or promising identical conditions year-round.

Safe diving depends on medical fitness, suitable training, maintained equipment, conservative planning and following the instructor or guide’s briefing. Koh Tao also has an established diving community and access to a recompression chamber.

Dive insurance is recommended for divers. Check that a policy covers the type and depth of diving you plan to do; our team can explain the planned activity and applicable medical requirements before booking.