Welcome to Big Blue Diving on Koh Tao.Want to learn to SCUBA dive?

You’re in the right place. You’ve found Koh Tao’s best dive school. At Big Blue Diving we have 3 big boats, including our own tech boat and some of Southeast Asia’s most experienced SCUBA instructors and divemasters. We’ve got everything you need to vacation and SCUBA dive on Koh Tao. Keep reading to see why we’re so awesome!

Looking for Koh Tao Diving Prices?

OK want to get straight to the point? See our competitive pricing for diving and courses in Koh Tao.

Where do I start?Find the right diving activity for you

Student enjoys a dive on a beginner scuba course with Big Blue Diving Koh Tao

Basic Scuba Diver

3,500 ฿

Complete Beginners
1 Days 1 dive in the pool PLUS 2 dives in the sea # of Dives 12m Max Depth

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WElcome homeWe’ve got everything you need for your Koh Tao Diving vacation.

Big Blue Diving Koh Tao is a renowned dive school that offers an exceptional experience for both seasoned divers and those eager to learn scuba diving. Located on the picturesque island of Koh Tao in Thailand, we stand out as a premier destination for enthusiasts seeking to explore the wonders of the underwater world.

With a team of highly skilled and certified instructors, we provide top-notch scuba diving courses that cater to divers of all levels. Whether you’re a complete novice looking to learn to dive or an experienced diver seeking to obtain advanced diving certification, we have a course that suits your needs.

For those taking their first plunge into the underwater world, we offer comprehensive beginner diving courses. These courses are designed to instil confidence and teach fundamental skills, ensuring that every student feels comfortable and safe underwater. Under the guidance of our experienced instructors, students are introduced to the mesmerising marine life and vibrant coral reefs that Koh Tao is renowned for.

For certified divers, our dive school offers various advanced courses to enhance their skills and knowledge. From deep diving to underwater navigation, wreck diving to night diving, there are plenty of opportunities to expand your scuba diving expertise with Big Blue Diving Koh Tao.

Learn to Dive in Koh Tao with the best SSI Instructors

As one of the leading dive schools in Koh Tao, we take pride in our commitment to environmental preservation and sustainable diving practices. Our passion for marine conservation shines through in our responsible approach to diving, ensuring that divers are educated about protecting the delicate underwater ecosystems.

Safety is of paramount importance. The school maintains modern diving equipment, undergoes regular safety checks, and strictly adheres to international diving standards. This dedication to safety and excellence has earned us a solid reputation among divers worldwide.

Whether you’re seeking to obtain a diving certification, learn to dive, or simply explore the magical underwater world of Koh Tao, Big Blue Diving is the ultimate dive school to make your dreams a reality. Immerse yourself in a world of marine wonders and embark on an unforgettable scuba diving adventure with the experts, and have fun while doing it!

TestimonialsWhat you wrote about us last month…

Koh Tao’s Most Certified SSI Diving School
Why Learn with Big Blue?

As one of Koh Tao’s oldest and most established dive schools, we have the instructors, the equipment and the boats to offer you the best diving education. What’s more is when you learn with us, you become part of a community that spans 25 years and all across the globe.

  1. Most Experienced Instructors: At Big Blue Diving Koh Tao, you’ll learn to dive with some of the industry’s most experienced instructors. Their extensive knowledge and expertise ensure your safety and make learning an unforgettable experience.
  2. Dedicated Courses Boat: With three dive boats, Big Blue Diving provides a dedicated courses boat, allowing for more personalized instruction. This means smaller groups and more one-on-one time with instructors, enhancing the learning process.
  3. Quality, Well-Serviced Equipment: Safety is paramount in diving. Big Blue Diving Koh Tao prides itself on providing top-notch, well-maintained equipment. Diving with reliable gear ensures a worry-free and enjoyable learning experience.
  4. Global Community: When you learn to dive at Big Blue, you become part of a global community. Meeting divers from around the world creates lasting connections and opportunities for underwater adventures in various locations.
  5. Amazing Sunsets and Vibrant Nightlife: Beyond diving, Koh Tao offers breathtaking sunsets and a lively nightlife. Enjoy your evenings with fellow divers, creating memories both below and above the water’s surface. Koh Tao truly offers the best of both worlds

We’re so good at what we doWe never shut up about it

Check out the Big Blue Diving blog

Barracuda and diver

Chumphon Pinnacle: Koh Tao’s BEST Dive Site!

Koh Tao's Best Dive Site, Chumphon Pinnacle, located 10km northwest of Koh Tao, is hailed as the pinnacle among the island's dive spots, establishing itself as the ultimate choice for diving aficionados. Its appeal is rooted not just in its strategic positioning but also in the myriad marine species...

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What is a Scuba Review?

At Big Blue, a common query from both our certified divers and those returning to diving after a hiatus is: Exactly what is a Scuba Review? Also referred to as a 'scuba tune-up', 'skills refresh dive', or 'scuba refresher', this is a critical exercise for several reasons, as we'll...

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What to Look for When Choosing a Koh Tao Diving School

Your guide to finding the perfect Koh Tao Diving School for an unforgettable underwater adventure Koh Tao is one of the most popular diving destinations in the world, offering vibrant marine life, stunning coral reefs, and diverse dive sites for all skill levels. With so many dive schools on the...

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Swim for Sharks: The Origins!

It all began about 16 years ago, as the sun dipped lazily into the Andaman Sea, painting the sky with that distinctly Thai palette of tangerine and violet. A ragtag bunch of Divemasters and Instructors were gathered at a bar,...

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How do you become a Divemaster in Thailand?

If you've ever dreamt of exploring the enchanting world beneath the waves and making a career out of your passion for diving, then becoming a Divemaster might just be the perfect avenue for you. And when it comes to choosing where to undertake this transformative journey, Thailand emerges as...

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“I can’t swim! Can I dive?”

It's one of our most frequently asked questions: "I can't swim! Can I dive?" Even if you had absolutely no intention of trying to learn to scuba dive, by the time you set foot on the pier you may well have changed your mind! The allure of Koh Tao's...

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diving with whalesharks on Koh Tao

Diving with whalesharks on Koh Tao

When it comes to diving with whalesharks on Koh Tao, there’s a charming little theory floating around among divers and locals on Koh Tao—a theory that, with all the conviction of an old fisherman’s tale, suggests a curious link between rainfall and whale shark sightings. Now, this theory, while...

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Marine Biologists surveying blocks underwater

Koh Tao’s Artificial Reefs.

The artificial reefs around Koh Tao play a vital role in promoting marine conservation and eco-tourism, offering divers and snorkelers the chance to experience the beauty of the underwater world while supporting the protection of marine ecosystems. As you dive or snorkel some of Koh Tao's many beautiful bays...

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“I want to learn to scuba dive but I’m scared!”

Diving into the depths and grabbing life by the scuba tank – that's the bold move you're making when you decide to conquer your fears and and learn to scuba dive. It's not just an Open Water certification; it's a ticket to break free from unnecessary worries that...

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whale shark

Your Path to Diving with Whale Sharks.

Imagine opening your inbox to find it brimming with enthusiastic requests like, "I'm not certified, but I want to go diving with whale sharks next week!" While these inquiries are charming, they highlight the thrill and allure of scuba diving—a world where nature dictates the schedule and guarantees are...

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Night diver entry

Why you Need to do your SSI Advanced Course.

So, you've just wrapped up three days of underwater bliss during your holiday on Koh Tao, soaking in the art of scuba diving. But guess what? The powers that be are nudging you towards the SSI Advanced Course. What's the deal with taking it to the next level,...

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