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!

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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!

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

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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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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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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What makes a good Scuba Diving Instructor?

A good scuba diving instructor plays a crucial role in shaping the diving journey of students, ensuring safety, imparting knowledge, and fostering a passion for the marine environment. Conversely, a poorly qualified or disinterested scuba diving instructor can lead to frustration, anxiety, and even compromise safety. Central to a...

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How will Global Warming affect the future of Scuba Diving?

Unless you are a moron you will accept that Global warming is real, and an increase in ocean temperatures is going to have significant implications on the future of scuba diving. But is it good or bad? Essentially, the warmer the water, the more fish! Conversely, colder waters contain...

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The Top 10 Dive Sites on Koh Tao. In Order!!!

It's always going to be controversial listing the top 10 dive sites on Koh Tao, in order, but someone's got to bite the bullet, take one for the team, and give a knowledgeable Koh Tao divers opinion about the dive sites around Koh Tao. So here we go the...

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Diary of an Open Water Course on Koh Tao

If you're considering joining us at Big Blue for your Open Water Diving Course on Koh Tao, you might be curious about how we structure the learning process. Here's a quick overview of what to expect. Ideally, you would have booked online through our website, especially during peak times...

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Where is the cheapest place to dive in Thailand

Diving enthusiasts often include Koh Tao in their travel itineraries when they dive in Thailand, drawn by its reputation as an adventurous diving destination. The island is renowned for its stunning dive sites and stands out as one of the cheapest places to dive in Thailand. Scuba Diving in Thailand. For...

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Training the Best Divemaster Courses on Koh Tao

When it comes to choosing a place to do your Divemaster training you should really ensure that if you are going to pay a center that much money for their services they better be the best at it! At Big Blue Pro we've been training the best Divemaster courses...

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How much does it cost to go scuba diving in Koh Tao?

Koh Tao, a picturesque island in the Gulf of Thailand, is renowned as the place that makes you want to go scuba diving. With its crystal-clear waters, vibrant marine life, and diverse underwater landscapes, it's no wonder that ocean lovers flock to this island to explore the depths of...

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divers on the surface

Diving Koh Samui

When it comes to exploring the underwater wonders of the Gulf of Thailand, diving Koh Samui probably springs to mind, however, the truth is that diving Koh Samui is really not very good. The waters around Koh Samui are very shallow and very silty so diving here is actually...

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