Open Water Diving Course Koh Samui – 3 Day Certification

Summary

Learn to Dive in Koh Samui: Small Groups & Pro Instructors

If you want real confidence underwater and a certification that lets you dive worldwide, this course in Koh Samui is a solid pick. You’ll train in a pro-level pool first (no guessing), then head out with experienced instructors to some of Thailand’s best local sites—plus small groups mean you get plenty of attention.

What’s the experience like?

First morning, I remember the air was thick and warm—typical for Samui. We met our instructor by the dive pool, which sits just behind a little café where the smell of strong Thai coffee drifts over. The pool itself is purpose-built, about 2-3 meters deep, so you don’t have to worry about waves or currents while you’re learning the basics. Our group was just three people, which made it feel personal—no shouting over crowds or waiting ages for your turn.

The next day, we went over the e-learning stuff together under a shaded terrace. It’s not all theory; our instructor (he’s been diving here for years) shared stories about local marine life and what to expect at the dive sites. When we finally got out on the boat to Koh Tao, I could feel my nerves kicking in—but having practiced everything in the pool made it way less intimidating. The water was clear enough that you could see schools of fish darting past even before we dropped down.

By the last dive, I’d stopped thinking about my gear and started noticing little things: how quiet it gets below the surface, or how parrotfish nibble at coral right beside you. Our instructor kept an eye on us but let us explore too. After surfacing that final time, there was this mix of relief and excitement—I knew I could do this anywhere now.

Step-by-step itinerary

Day 1 — Open Water Diver Course

• Training in diving pool
• Knowledge development sessions
• Four open water dives at Samui or Koh Tao
• Certification awarded

Top questions

How many students are there per instructor?

We keep groups small—never more than four students per instructor—so everyone gets plenty of guidance both in the pool and out at sea.

Is prior experience needed?

Nope! This course is designed for beginners. You just need to be comfortable in water and reasonably fit.

What if I want private lessons?

You can request a private instructor when booking if you prefer one-on-one training—just let us know ahead of time.

Are materials available in different languages?

Yes, we offer multi-language courses and materials so everyone can follow along easily.

What’s included

You’ll get full use of SCUBA gear, e-learning materials for theory sessions, an air-conditioned ride to dive sites, plus expert instruction every step of the way.