Ihasia Diving Kohtao

Instructor Training Center

50/15 moo 3, 84360 Koh Tao, Thailand

Upcoming Events

Advanced Open Water Diver

The Advanced course runs over 2 days and includes 5 specialty dives. We’ve chosen specialties designed to make you a better, more confident diver, focusing on skills that will make a real difference to your diving.

September 25, 2026 +120 More

$269.73

THB 9,000.00

Location

Frequently Serviced Dive Sites

Member Diving, Koh Samui, 84320 Koh Samui

Sail Rock, Thailand (★4.4)

Sail Rock is a pinnacle which rises to 15m above and 40m below the surface. Sail Rock lies between Koh Phangan and Koh tao. It’s famous for its natural underwater vertical swim through or chimney which divers can enter at 6 metres and exit at 18.

Member Diving, Koh Samui, 84320 Koh Samui

Chumphon Pinnacle (★4.5)

The main pinnacle of Chumphon Pinnacle comes as shallow as 14 meters and the deepest point of the site goes as deep as 45 meters. Offering great opportunities for divers at Open Water level through to XR level.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Green Rock (★4.4)

This “drift“ dive site is located on the north side of Nan Yuan Island, adjacent to Koh Tao. The name “Green Rock“ comes from the fact that the roots near the surface of the water look green. The depth ranges between 10 and 25 meters and 30 to 40 meters depth can be found with a short swim to the West.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Southwest Pinnacle (★4.6)

30 to 45 minutes southwest of Koh Tao, these large pinnacles range from 30 to 5 m. Sandy ocean floor with big rocks on the south side. many cracks on the pinnacles where small wildlife can be found. The shallower parts of the pinnacles are covered in magnificent anemones.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Twins Koh Tao (★4.5)

One of the most famous dive sites on Koh Tao, this site features something for every experience level. Ranging from 5 to 19 meters, Twins is located just off the western side of picturesque Koh Nanguan and is a favorite of students and leisure divers alike.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Jansom Bay (★4.3)

Jansom Bay dive site is located on the western side of Nan Yuan Island, adjacent to Koh Tao. Even on days when the ocean is rough and the waves are to the east, this dive site is in the shadow of the island, providing a calm environment for diving.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Shark Island (★4.4)

Shark Island ranges from a depth of 0 to 25 meters, making it one of Koh Tao’s most versatile dive sites. Currents can be strong around this site, but divers can usually take refuge in the lieu of the island and enjoy a relaxed dive.

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

White Rock Koh Tao (★4.5)

White Rock, also known as White Rock and Black Rock, is located to the south of Nan Yuan Island, adjacent to Koh Tao. The whole site is a fairly large root, so no matter how many dives you do, you will never get bored of it, depending on the course you take, the depth and the type of life you observe. Beginners and seasoned divers alike should enjoy it.

Big Blue Diving, 84360 Koh Tao

Hin Pee Wee (★4.5)

Large rock formations and smaller pinnacles (shallowest point is about 7m). Lots of soft corals and whip corals. Gets to 22m+. Not a lot to see if limited to 12m. Next HTMS Sattakut wreck and can both be dived in the same dive.

Fedor Z. (#3558131)

Junkyard (★4.3)

Junkyard ranges from 10 to 12m in depth. It contains a lot of artificial items such as a Jeep and a toilet seat, all of which are new marine life habitats, so please don’t touch!

HOBOYA KOH TAO ほうぼう屋タオ島, 84360 Koh Tao

Hin Wong Pinnacle (★4.2)

Hin Wong Pinnacle is located on the east side of Koh Tao, off the coast of Hinwon Bay. We recommend this site for intermediate and above divers because the current is relatively strong on many days. The main rock is not very large, but the entire dive site is wide and has a few scattered rocks.

Fedor Z. (#3558131)

Mango Bay Ko Tao (★4.4)

Great site for training dives as there is a big sandy area ranging from 1m to 16m deep. There are two different areas of huge artificial reef concrete cubes good for buoyancy or tech training. An abundant and dense hard coral reef area is on the east side and rocky sloping reef is on the west side.

Available Services in the Dive Center

Programs

Snorkel Diver

Ecology

Scuba

Emergency Training

Swim

Dives

Boat Dives

Wreck Dives

Gas Fills

Air

Nitrox Dive

Rental

Photo and Video Dive

Payment Method

Cash

Opening Hours

Monday	08:30 - 13:00 16:00 - 19:00
Tuesday	08:30 - 13:00 16:00 - 19:00
Wednesday	08:30 - 13:00 16:00 - 19:00
Thursday	08:30 - 13:00 16:00 - 19:00
Friday	08:30 - 13:00 16:00 - 19:00
Saturday	08:30 - 13:00 16:00 - 19:00
Sunday	08:30 - 13:00 16:00 - 19:00

+66857909811 https://www.ihasiadivingkohtao.com Contact

Opening Hours

Monday	08:30 - 13:00 16:00 - 19:00
Tuesday	08:30 - 13:00 16:00 - 19:00
Wednesday	08:30 - 13:00 16:00 - 19:00
Thursday	08:30 - 13:00 16:00 - 19:00
Friday	08:30 - 13:00 16:00 - 19:00
Saturday	08:30 - 13:00 16:00 - 19:00
Sunday	08:30 - 13:00 16:00 - 19:00

+66857909811

White Rock Koh Tao (★4.5)

Japanese Gardens Koh Tao (★4.5)

Twins Koh Tao (★4.5)

Southwest Pinnacle (★4.6)

Mango Bay Ko Tao (★4.4)

Crystal Bay, Nusa Penida (★4.5)

USAT Liberty Wreck (★4.7)

Chumphon Pinnacle (★4.5)

Halik, Gili Trawangan (★4.6)

Hans Reef (★4.5)

Ihasia Diving Kohtao

Instructor Training Center

Advanced Open Water Diver

Location

Frequently Serviced Dive Sites

Sail Rock, Thailand (★4.4)

Chumphon Pinnacle (★4.5)

Green Rock (★4.4)

Southwest Pinnacle (★4.6)

Twins Koh Tao (★4.5)

Jansom Bay (★4.3)

Shark Island (★4.4)

White Rock Koh Tao (★4.5)

Hin Pee Wee (★4.5)

Junkyard (★4.3)

Hin Wong Pinnacle (★4.2)

Mango Bay Ko Tao (★4.4)

Buoyancy World (★4.3)

HTMS Sattakut 742, Wreck (★4.4)

Hin Wong Bay (★4.3)

No Name Pinnacle (★4.5)

Hin Ngam Ko Tao (★4.5)

King Kong (★4.3)

Tanote Bay (★4.5)

Laem Thian Bay (★4.3)

Laem Thian Caves (★4.3)

Lighthouse Pinnacle (★4.3)

Red Rock (★4.4)

Pottery (★4.6)

Available Services in the Dive Center

Programs

Dives

Gas Fills

Rental

Payment Method

Opening Hours

Opening Hours