Scuba diver over a Koh Tao reef

Diving on Koh Tao

Learn to breathe underwater.

More divers get certified on Koh Tao than anywhere else in the world. Here's why, and where.

25+
dive sites around the island
29°C
water temperature, year round
฿9,900
typical Open Water course
Mar–Oct
whale shark season peaks

This week

In the water this week.

No experience

Try Dive

One guided dive, one unforgettable afternoon. No certification, no theory marathon.

from ฿2,500
See try dives
Certified divers

Two Fun Dives

The morning boat to the island's best sites: pinnacles, turtles and, in season, whale sharks.

from ฿1,500
See fun dives
One breath

Freediving Intro Day

From the surface to 10 metres on a single breath, with Asia's best freediving schools.

฿3,300
See the intro day

Courses

From first breath to pro.

Courses run daily at the schools below. Message us on WhatsApp and we match you with the right school, language and start date, at no extra cost.

No experience

Try Dive

One guided dive to 12 m with an instructor beside you the whole time.

from ฿2,500
Most popular

Open Water

Your worldwide certification to 18 m in 3 to 4 days. The reason most people come here.

~฿9,900
Go deeper

Advanced

Five adventure dives: deep, night and navigation, down to 30 m.

~฿9,500
Make it a life

Rescue → Pro

Rescue, Divemaster, Instructor. Plenty of people came for a week and stayed for years.

enquire

Dive sites

25+ sites, most under 30 minutes away.

Granite pinnacles wrapped in barracuda, shallow turtle bays and, in green season, the slow shadow of a whale shark.

Chumphon Pinnacle

The signature granite pinnacle: barracuda tornadoes, giant grouper, whale shark territory.

14–36 m

Sail Rock

The Gulf's most famous site, with its vertical swim-through chimney.

5–40 m

Southwest Pinnacle

Pink soft coral, trevally and big blue water.

5–30 m

Shark Bay

Shallow, calm, full of green turtles and blacktip reef sharks.

5–24 m

White Rock

Koh Tao's classic all-rounder: great by day, magic by night.

5–22 m

Koh Nang Yuan sites

Japanese Gardens, Twins and Green Rock around the postcard islands.

5–18 m
Freediver descending a line off Koh Tao

Freediving

One breath. That's all.

Koh Tao is Asia's freediving capital. Calm bays, deep water minutes from shore, and world-class schools that take you from 10 to 30 metres on a single breath.

See the intro day →

Dive centres

Schools we trust.

Scuba Shack

Scuba diving

Master Divers

Scuba diving

Jamahkiri Diving Club

Scuba diving

Finsanity

Scuba diving

French Kiss Divers

Scuba diving · FR

Pura Vida

Scuba diving · ES

Assava Dive Resort

Dive & stay

Apnea Total

Freediving