Welcome to

CHALOK

REEF DIVERS

Your Scuba Diving School in Koh Tao, Thailand — Based in Chalok Baan Kao

Ready to learn to scuba dive, earn your Open Water Diver certification, or just enjoy some amazing fun dives? Chalok Reef Divers is your go-to dive center in the peaceful south of Koh Tao — famous for its vibrant marine life, top-tier dive sites, and chilled island atmosphere.

Dive into Koh Tao – One of Thailand’s Top Diving Destinations

Whether you’re new to scuba or already certified, Koh Tao offers the perfect mix of shallow coral gardens, dramatic underwater locations, and thrilling deep dives. With over 50 dive spots, including the famous HTMS Sattakut wreck, Barracuda Rock, Sail Rock, and Sunset Bliss, it’s no surprise that Koh Tao is one of the best scuba diving destinations in the world.

Our dive boat takes you to the best dive sites daily — whether you’re exploring colorful coral reefs, hoping to spot whale sharks, or taking a relaxing night dive under the stars.


Our Koh Tao Dive Courses

We’re proud to offer a complete range of SSI dive courses, from beginner to professional level:

Try Scuba Diving (Try Dive – no experience needed)

Open Water Diver

Advanced Adventurer

Stress & Rescue

Divemaster Training

Specialty courses (Nitrox, Deep, Deep & Nitrox Combo course and more)

All our courses include top-quality training, full equipment rental, and the option for private guiding.


⭐ 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?

 

PLAN YOUR KOH TAO DIVING HOLIDAY

Koh Tao is one of the best places for diving in Thailand — warm water, colorful coral reefs, and rich marine life including turtles, barracuda, stingrays, and whale sharks.

Whether you’re a complete beginner or an experienced diver, we offer:

  • Safe, sheltered dive sites perfect for training and try dives

  • Amazing visibility year-round

  • Over 20 dive sites, from shallow bays to deep pinnacles

  • A mix of fun diving and top-tier training

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

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.

Frequenty Asked Questions

Is Koh Tao good for scuba diving?

Yes! Koh Tao is one of the top diving destinations in Thailand, especially for beginners thanks to warm waters and calm conditions.

 

Absolutely. Our Try Scuba Diving experience lets you explore the reef safely with a certified instructor — no license required.

We teach the full range of SSI courses, from Open Water to Divemaster, plus specialties like Nitrox and Deep Diving.

Thanks to the island’s sheltered location in the Gulf of Thailand, we can offer excellent training conditions on our dive courses on Koh Tao all year round. With over 20 dive sites to choose from, there’s always a safe and sheltered spot for try diving and training courses.

If you’re already certified and just want to enjoy an array of spectacular dive sites, then yes we do, you’re in the right place! From sandy bays and shallow coral reefs to glorious deep water pinnacles and wrecks of World War navy ships, Koh Tao scuba diving will certainly impress.

Already certified and want to combine scuba diving on Koh Tao with getting your next certification? There are many incredible deep diving sites around the island, making it the perfect place to upgrade your open water card and become an advanced diver.