• Open Water Course in Koh Tao

 

Become a certified independent diver up to 18 meters. Join the adventure on Koh Tao and learn to dive with confidence!

What is the Open Water Course?

The Open Water certification is the first level of recreational scuba diving. With this certification, you can dive independently up to 18 meters anywhere in the world, for life and at any dive center!

This training lasts 2.5 days and includes 6 dives around Koh Tao’s coral reefs: training dives + exploration dives.

SSI Open Water course training with AquaTao in Koh Tao


Who Can Join?

Age

From 10 years old (12+ recommended)

Health

Fill out our medical questionnaire or provide a medical certificate

Swimming Ability

You must know how to swim comfortably

Experience

We recommend having done a Try Dive before starting the course

Theory

You will receive a link to read and review the SSI theory beforehand


Duration & Course Structure

Please arrive the day before for administrative and gear preparation (30 minutes).

Day 1 – Morning
Theory + Shallow Skills Training
Day 1 – Afternoon 2
Training Dives (skills 0–6m)
Day 2 – Morning
Theory Review + 1 Dive (8–12m)
Day 2 – Afternoon
1 Dive (12–18m) + Final Skills
Day 3 – Morning
Final 2 Exploration Dives (up to 18m)


Good to Know

Open Water divers exploring Koh Tao with AquaTao

During the course, we will gradually increase the depth and difficulty of exercises to reach up to 18m. All skills must be validated to obtain the certification. We do everything we can to help you succeed!

After validation, you will receive a worldwide-recognized digital SSI certification — Dive anywhere, anytime!


Prices & Booking

Open Water Course Price: 11000 THB

Book Your Open Water Course Online


Continue Your Diving Journey

Loved your Open Water course? Continue with the Advanced Open Water Course (−10% discount) → Dive deeper, up to 30m!



FAQ - Open Water Course in Koh Tao

How long does the SSI Open Water Course take?

The course takes only 2.5 days to complete at AQUATAO, including 6 dives: training dives in shallow water and exploration dives up to 18 meters.

Do I need previous diving experience?

No — you don’t need any experience before joining. However, we recommend trying a first dive beforehand to feel more comfortable during the course.

What is included in the course price?

All diving equipment, boat trips, professional instruction, learning materials, insurance, and your SSI digital certification are included. No hidden fees!

How deep can I dive once certified?

With your SSI Open Water certification, you can dive up to 18 meters anywhere in the world, for life, as long as you dive with another certified diver.

Is the course safe for beginners?

Absolutely. We train in small groups of maximum 4 students per instructor, and you will learn all safety procedures step by step before diving.

Can I continue with more advanced courses afterward?

Yes! After your Open Water, you can continue with the Advanced Open Water course to dive up to 30 meters and discover new dive adventures.