A Carabao divemaster briefing a group of divers on the boat off Koh Tao

SSI Dive Courses · Chalok Bay

From first breath to pro.

Every SSI course taught in small groups by instructors who live and dive here — in English, Italian, German, Spanish, French or Thai. Pair any course with a room on the beach.

Choose where your story underwater begins.

max students on Open Water

languages taught on site

20+

years teaching in Chalok Bay

New divers geared up and excited for their first scuba dive with Carabao, Koh Tao

No experience needed

Try Scuba Dive

from

฿2,500

Always wondered what it's like to breathe underwater? Spend a morning with an instructor and take your first guided dive in the calm, shallow water of the bay. No certification, no pressure — just the moment you fall for the ocean.

Duration · half day Depth · to 12m Dives · 2 guided Book a Try Dive →

＋－Full course details & schedule

What you'll learn

Try Scuba is a relaxed, no-pressure introduction to breathing underwater. No experience or certification needed — just comfort in the water and reasonable health. Your instructor stays within arm's reach the whole time, teaches you a few simple skills in the shallows, then takes you straight into the sea for two guided dives to a maximum of 12 metres. Decide to carry on and the fee counts towards your Open Water course.

What's included

✓Small-group SSI instructor
✓All scuba equipment
✓Two guided sea dives to 12m
✓Underwater photos to keep

The day · just like Open Water Day 1

09.00–10.30

Theory class

Learn the basics of scuba diving — exactly the same theory as Day 1 of the Open Water course.

12.30–15.30

Two sea dives · to 12m

Instead of a pool, you go straight into the sea for two guided dives to a maximum of 12 metres, with your instructor beside you.

★ All equipment and refreshments included.

Open Water Diver

course + 3 nights

฿9,900

The certification that opens the whole ocean. Over 3 days you'll learn to dive independently to 18 metres, certified for life and recognised worldwide. Book it as a Dive & Stay package and your three nights on the beach come free.

Duration · 3 days Depth · to 18m Group · max 4 Start your certification →

＋－Full course details & schedule

What you'll learn

The SSI Open Water Diver course certifies you to dive with a buddy, anywhere in the world, to 18 metres — for life. You study the theory online before you arrive, then split your days between calm confined-water practice and real dives from our boat. With a maximum of four students per instructor you're never left waiting. Booked as a Dive & Stay package, your three nights on the beach are included.

What's included

✓SSI digital learning materials, yours to keep
✓All dive equipment for the course
✓Confined-water training + 4 open-water dives
✓Certification & lifetime digital card
✓3 nights' beachfront accommodation (Dive & Stay)

Day-by-day schedule

Day 1 · Theory & pool

09.00–10.30

Theory class

Learn the basics of scuba diving.

12.30–15.30

Pool session

Learn and practise the essential diving skills in a pool.

Day 2 · Theory & boat dives

09.00–10.30

Theory class

More theory, building on Day 1.

12.00–16.30

Two boat dives

Explore the underwater world with your first two open-water dives.

Day 3 · Final dives

06.45–11.30

Two final dives · to 18m

Complete your final open-water dives to 18 metres and earn your certification.

★ All equipment and refreshments included.

Go deeper

Advanced Adventurer

from

฿9,500

Five adventure dives that unlock the sites everyone talks about. Try deep diving, underwater navigation and a night dive, extend your limit to 30 metres, and find the style of diving you love most. The natural next step after Open Water.

Duration · 2 days Depth · to 30m Group · max 2 Go advanced →

＋－Full course details & schedule

What you'll learn

Five adventure dives, five new skills and a permit to 30 metres. Advanced Adventurer lets you sample the specialties that make diving endless — deep, navigation, night, perfect buoyancy and more — while a private instructor (max two students) coaches you on Koh Tao's signature sites. The quickest way to become a confident, independent diver.

What's included

✓5 guided adventure dives
✓Digital SSI specialty materials
✓All equipment
✓Advanced certification & digital card

Day-by-day schedule

Day 1 · Skill-building dives

09.00–10.30

Theory class

Review and introduction to Advanced Open Water concepts.

12.15–16.30

Two boat dives

Perfect Buoyancy and Navigation — sharpen your skills and improve your underwater awareness.

Day 2 · Adventure dives

06.45–11.30

Two morning dives

Deep Dive and Wreck Dive — explore new depths and exciting underwater sites.

18.00–20.30

One night dive

Experience the ocean after dark, then earn your certification.

★ All equipment and refreshments included.

A divemaster setting up scuba tanks and regulators on the dive boat, Koh Tao

Make it a life

Rescue, Divemaster & Pro

long-stay rates

Enquire

Become the diver others trust. Rescue Diver builds your confidence and judgement; the Divemaster programme turns the ocean into your office. Train where you stay, with discounted long-stay accommodation and a team that becomes family.

Rescue · 3–4 days Divemaster · 4–8 weeks Talk to us about going pro →

＋－Full course details & schedule

What you'll learn

Two steps from confident diver to dive professional. Rescue Diver sharpens your awareness and turns you into the calm, capable diver everyone wants as a buddy. The Divemaster programme is your first professional rating — months of diving, mentoring and real experience, living on the beach at long-stay rates with a team that becomes family.

Good to know

Pro training is tailored to you — message us for a personal plan, start dates and long-stay accommodation rates.

Rescue Diver · 3–4 days

EFR First Aid & CPR

The life-support course that's your prerequisite — about half a day.

Self-rescue & skills

Managing your own stress and equipment problems in the water.

Rescue scenarios

Spotting, towing and surfacing a tired or panicked diver, then a final real-time scenario and exam.

Divemaster · 4–8 weeks

Dive theory & exams

Physics, physiology, equipment and the dive environment.

Watermanship & skills

Stamina workshops and demonstration-quality skills.

Real experience & mapping

Assist on courses, guide certified divers and complete a dive-site mapping project.

Certification

Your first professional rating — ready to work in dive centres worldwide.

Already certified? Just come diving.

Join our boat for fun dives at Chumphon Pinnacle, Sail Rock and Shark Bay — from ฿900 a dive, less in multi-dive packages, with a bed on the beach if you want one.

Book fun dives →