Tour
Big Blue Tech
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Big Blue Tech is a premier dive center on Koh Tao, Thailand, specializing in technical and recreational diving courses. Located at 17/18 Moo 1 on the island's west coast, the center boasts modern equipment, a fleet of well-maintained boats, and a team of experienced instructors. Whether you're a complete beginner seeking your Open Water certification or an experienced diver looking to master rebreathers or decompression procedures, Big Blue Tech offers a full range of PADI courses. The center's unique selling point is its focus on technical diving, with state-of-the-art facilities including a dedicated training pool and classroom. The surrounding waters of Koh Tao are famous for their vibrant coral reefs, clear visibility, and diverse marine life, expect to see turtles, barracuda, and colorful reef fish. The atmosphere at Big Blue Tech is friendly and professional, with a strong emphasis on safety and personalized instruction. After your dives, relax at the on-site café or chat with fellow divers about the day's adventures.
Don't miss
- Complete your PADI Open Water or Advanced Open Water certification in paradise
- Try technical diving with courses in trimix, rebreather, and decompression procedures
- Explore famous dive sites like Chumphon Pinnacle and Sail Rock
- Use top-quality equipment from brands like Apeks and Shearwater
- Enjoy the center's pool and classroom for confined water training
Tickets & tours
Ways to visit Big Blue Tech
You can visit on your own (courses and fun dives are paid; book online or in person. package deals are available for multiple dives or courses). A tour adds transport and a guide, or combines nearby sights into one day.
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How travelers rate it
Know before you go
- Bring your own mask and snorkel if you have them; rental gear is available but fitting is better with your own.
- Complete your medical questionnaire and e-learning before arrival to save time.
- Apply reef-safe sunscreen to protect marine life, avoid oxybenzone and octinoxate.
- If prone to seasickness, take motion sickness medication before boat trips.
A bit of history
Big Blue Tech was established in 2008 by a group of technical diving pioneers who saw Koh Tao's potential for advanced training. The center grew from a small operation into one of Asia's leading tech diving facilities, known for its high safety standards and innovative courses.
Common questions
Do I need to be a strong swimmer to dive?
You need to be comfortable in water and able to swim 200 meters. A basic swimming test is part of the course.
What is the minimum age for diving?
The minimum age for PADI Open Water is 10 years old. Junior certifications are available for ages 10–14.
Can I dive if I wear glasses or contact lenses?
Yes, you can wear contact lenses or use prescription mask inserts available at the center.
Is there a weight limit for diving?
There is no strict weight limit, but you should be fit enough to handle equipment and emergencies. Consult with staff if concerned.
What happens if I can't equalize my ears?
Your instructor will teach techniques to equalize. If problems persist, you may need to reschedule or try a different activity.
Do you offer accommodation packages?
Yes, Big Blue Tech partners with nearby resorts for combined dive-and-stay deals. Check their website for options.
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