Welcome to Big Blue Diving on Koh Tao, the home of SCUBA!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!

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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.

Diving in Koh Tao with a trained instructor

Learn to Dive in Koh Tao with top notch 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!

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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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

a deep dive

How long does the Advanced Adventurer Course take?

Embarking on the Advanced Adventurer Course is a natural progression after completing your Open Water Diver Course. This course, specifically tailored for enhancing your scuba skills, boosts your confidence and comfort level underwater. It serves as an ideal avenue to explore more of Koh Tao's stunning dive sites...

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a guitar shark

Are there Sharks on Koh Tao?

Yes we have sharks on Koh Tao! Big ones and little ones. Koh Tao, known for its diverse marine life, includes various species of sharks. Here are some interesting facts about the shark species you can see around Koh Tao, along with the dive sites where they are...

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Hostel Dormitory

Free Accommodation on Koh Tao when you dive with us.

Big Blue Diving stands out from the crowd by offering a unique perk to its dive course participants – free accommodation! Whether you're embarking on the SSI Open Water or the SSI Advanced course, you can enjoy the comfort of the 8-bed dormitory, where both guys and girls share...

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How much can a Divemaster on Koh Tao earn per month?

As a Divemaster on Koh Tao, working in boardies and bikinis and spending hours every day under the warm clear tropical sea, may seem like the perfect job but can you actually earn enough money to survive and save every month? A Divemaster is a scuba diving professional who has...

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The best Thai Islands: Koh Samui, Koh Phangan or Koh Tao?

These Thai islands all sit relatively close to each other on the east coast of the mainland, in the Gulf of Thailand, offering a diverse range of experiences, from vibrant nightlife to serene beaches and underwater adventures. Koh Samui, Koh Phangan, and Koh Tao, each have their own unique...

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inside a dive center

Choosing the best Dive shop on Koh Tao

Diving enthusiasts from around the world are drawn to the pristine waters and abundant marine life of Koh Tao, a tropical paradise located in the Gulf of Thailand. With over 60 dive centers on the island, choosing the right one can be overwhelming. A reputable dive center is crucial...

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Sail Rock

Dive Sail Rock every Tuesday and Saturday.

Escape the ordinary and embark on an unforgettable underwater adventure and dive Sail Rock – the crown jewel of the Gulf of Thailand. Available every Saturday and Tuesday, these excursions promise a day filled with excitement, exploration, and unparalleled diving experiences. Dive Sail Rock: The Jewel of the Gulf of...

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the Buddy check

How long does it take to do your Divemaster course on Koh Tao?

If the allure of scuba diving beckons you while you're stuck in the daily grind, it might be time to transform your passion into a profession. The Divemaster course on Koh Tao is your gateway from a recreational diver to a fully employable scuba diving professional. Upon completing this course,...

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whale shark

Whale shark Season starting early in 2024

Whale shark sightings around Koh Tao, Thailand, can vary, and there isn't a specific "whale shark season" as they are wild animals and their movements are not strictly predictable. However, whale sharks are more commonly spotted in the waters around Koh Tao during the months of February through till...

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a diver and a whaleshark

How long should you stay on Koh Tao?

Definitely allow for a longer stay on Koh Tao than you originally planned for. How long you should stay on Koh Tao is up to you. Many people travelling around Asia will add Thailand to their itinerary, and more often than not, this will lead to them venturing down...

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