Diving diversity in Thailand

Koh Tao offers some of the cheapest and most diverse diving worldwide. Here's our guide to four locations that showcase the variety on offer to visiting divers.

September 13, 2023
Whale shark, Southwest Pinnacle.
Whale shark, Southwest Pinnacle.
Photographer:

The small island of Koh Tao, located in the Gulf of Thailand has been the place to go for scuba training in Asia for many years. With some of the cheapest diving courses on offer worldwide, this tropical dive destination has become a huge draw to young travellers on a budget, as well as those seeking professional-level training at an affordable price.

Overall you could class Koh Tao’s diving as fairly easy, with minimal currents to deal with and generally good visibility that can exceed 30m at times.

Chumphon Pinnacle

This large granite rock, carpeted in magnificent sea anemones occupied by their symbiotic partner pink anemonefish, protrudes from the sandy seafloor at a depth of 30–35m around the edges that quickly drops off to 40m+. It rises up to 15m from the surface and at the southern end, only a short swim from the main pinnacle, there is a separate smaller pinnacle formation known as Barracuda Rock. This is the dive site everybody wants to go to, commonly having clearer water being located further offshore and with a higher probability of encountering the larger species, like whale sharks, malabar groupers plus schooling pickhandle and blackfin barracuda.

Chumpon Pinnacle and oxeye scad.
Chumpon Pinnacle and oxeye scad.

Southwest Pinnacle

Another offshore dive site, is made up of a series of smaller pinnacles coming up from the sandy bottom at 20–25m, with the main pinnacle reaching up to 8m from the surface. Magnificent sea anemones carpet the rocks, with whip corals and sea ferns being abundant on the sandy patches and small rocks between. There is another pinnacle located to the southeast, approximately 10 minutes swim away, known as the Secret Pinnacle. Schooling fish are common, with blackfin barracuda, where you may encounter whale sharks.

Malabar groper, Southwest Pinnacle
Malabar groper, Southwest Pinnacle

Mango Bay

This bay at the north of the island has a large coral garden stretching from the centre over to the far eastern side, with a large sandy area to the west that is perfect for beginner dive training. My preference at Mango Bay is to leave everyone behind to explore the slightly deeper sandy rubble areas that are home to a variety of shrimp gobies, threadfin dartfish, mantis shrimp and other smaller creatures.

Bluestreak cleaner wrasse, Mango Bay.
Bluestreak cleaner wrasse, Mango Bay.

Koh Tao’s Muck

I have been exploring areas away from the reef, either swimming off of the well-known dive sites into sandy areas or dropping in spots not commonly recognised as an area for diving.
I have been exploring a couple of prime locations where I have encountered seahorses, cowfish, sand divers, cuttlefish and octopus, soft coral crabs, porcelain crabs and cowries living on Dendronephthya corals, various species of shrimp, juvenile filefish, different colour variants of short-tailed pipefish, as well as a number of nudibranchs that I hadn’t seen on more than a thousand previous dives around Koh Tao. This is proving to be a very productive environment for macro photography, encountering subjects that are more commonly associated with Indonesia or the Philippines.

Four-lobed porcelain crab with eggs
Four-lobed porcelain crab with eggs
Caviti cardinalfish carrying her eggs.
Caviti cardinalfish carrying her eggs.
Cuthona.
Cuthona.

Information for diver's visiting the Gulf of Thailand

Location: Surat Thani, ThailandTemperature: approx. 29°C
Water temperature: approx. 29°C
Language: Thai
Currency: Baht
Operators: There are many dive shops on the island with most targeting diver training as their main market. Some operators deal with large numbers on their boats and other cater for smaller numbers for a more intimate dive experience.

Getting to Thailand is easy from almost anywhere in the world. You can enter via Bangkok and spend some time in this area on your way or via Koh Samui, which is only a ferry ride from Koh Tao.

For UW Photography & Private Dive Guide: Dive4Photos –
www.dive4photos.com

For double dives at Chumphon on Tuesday & Saturday: Dive Point –
www.divepointkohtao.com

For Eco-Diving & Education:
New Heaven Dive School -
www.newheavendiveschool.com

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Alex Tyrrell

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