Archive for ‘Koh Tao’


By , 14 October, 2014, No Comment

Koh Tao has many different types of fish and marine life, one of which is the nudibranch.

Nudibranchs (pronounced Noo-di-BRANKs) are gastropod mollusks. That’s a fancy way of saying ‘sea slug.’ Unlike other slugs, nudibranchs possess fantastic coloration and colour patterns. The coloration of each species comes from the prey they eat: the more colourful the prey, the more colourful the nudibranch. There are more than 3,000 species of nudibranch worldwide and more species are being discovered all the time. They crawl slowly across the ocean floor using a single foot, just like a garden snail. Some types of nudibranchs live only a month, while other species live as long as a year. Some species are only about one-quarter inch long at full maturity, others can swell to as long as 12 inches. Nudibranchs have many strange protrusions, including a pair of horn-like tentacles or “rhinophores” worn near the front of their bodies. These horns are primarily chemical sensing organs that help the nudibranch find its prey. Nudibranchs have soft bodies and most lack an external protective shell. This exposure is what inspired their neo-latin/greek name “nudibranch” which means “nude or naked gills.”Without a shell, nudibranchs had to evolve another way to ward off predators. They accomplished this in multiple ways: the development of toxic (aka bad tasting) glands in their skin, and bright colours meant to tell predators that taking a bite is a terrible decision. But that’s not all. Aeolid nudibranchs steal nematocysts (stingers) from the animals it eats (corals, sea anemonesand jelly fish).


by Sophie


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Change Of Season

By , 11 October, 2014, No Comment

With the recent change of season (of the two we have) comes the chance to dive some new sites with Davy Jones Locker. Every year around August the winds change their direction here on Koh Tao which gives us the chance to go to some dive sites that may have been difficult to get to instead of coming out of Sairee Beach like we have been these past months we are now mooring our boat in Hin Wong Bay, on the opposite side of the island.

This gives us a chance to visit sites that we may have not been able to get to before due to time limits or bad weather. Not only will this be exciting for new customers, but also gets our staff and DMT’s looking forward to exploring places they may have never seen or just haven’t been to for awhile.

Populare sites on the east side of Koh Tao include Hin Wong Bay, a shallow site  great for Discover Scuba Divers, Open Water Divers and Snorkelers. Also there is Hin Wong Pinnacle, located just outside of Hin Wong Bay, that has been compared to the memorable dive site Chumpon Pinnacle that is north of the island and a big favorite, perfect for the Deep Adventure Dive. For the more adventurous divers we also have Liem Tiem, a site that offers a wide range of swim throughs and small caves that may make you want to look into the cave diving courses more than the recreational diving. Discover the sunken catamaran and bicycle at Tanote Bay. Also Shark Island, a bit more for the advanced diver but known for being a good place to site Koh Tao’s favorite underwater creature the Whale Shark.

Wherever you might like diving or in whatever underwater scenery, Koh Tao has many different sites to offer. Come and enjoy the East side of the island with us, which has been a little untouched for the past few months. turtles, and maybe even a whaleshark!


by Mike S


Mike Blog

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HTMS Sattakut

By , 26 September, 2014, No Comment

Hey all,


today I’m going to be talking about one of the great wrecks we can dive to on this island, the HTMS Sattakut. The Sattakut was laid down at Commercial Ironworks in Portland Oregon. She was launched on February 27th, 1944 and commissioned into the US Navy as a Landing Craft Infantry large. After her long service she was commissioned into the Thai Navy as the HTMS Sattakut in 1946, and was sunk in Koh Tao on the 18th of June 2011 and to this day she is one of the most popular sites to dive especially for a PADI advanced open water course.

She lies approximately 40m south of Hin Peewee with her bow facing Northwest, Sitting upright. The top of the wreck is around 20m and and since she lies on a slope the bottom is at about 32m. When she was sank as a part of an artificial reef project in 2011 she landed on her starboard side in a different location to where she is now, it was only after a few months that her position was corrected and she was put back upright that more and more people started to dive on her.


by Nick








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Dive Island

By , 24 September, 2014, No Comment

People come to Koh Tao for various reasons, whether for the night life and  parties or our beautiful beaches and bays, but you can’t overlook the diving!

Koh Tao is a scuba diving island, it’s the reason everything is here today and the undoubted highlight of the gulf of Thailand so why not consider it. I’ve been diving here for 3 years with Djl diving growing from a complete beginner to a teaching instructor and along the way I’ve seen some amazing things… From eagle rays at Japanese Gardens, turtles at Twins and White Rock, a WWII era ship wreck just off hin pee wee, and everyone’s favorite giant, the whale shark out at Chumphon, South West or Green Rock, along with all the countless other fish that inhabit our wonderful reefs.

It’s all down there just waiting to be explored!!!

by Russ

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Shop opps course and DJL

By , 23 September, 2014, No Comment

DJL offer a wide range of scuba and tech diving courses, PADI open water up to instructor and everything else in between, but they also offer a range of courses called shop opps, a 4 day course which is learning how to fix and maintain scuba equipment, such as BCDs and regulators, compressor maintenance and gas blending. Being out of the water with an ear infection, I decided to take the course as I wanted to expand my knowledge of scuba equipment as well have something new to add to my diving CV.


First thing we did was compressor maintenance. This proved to be dirty work as we were learning to change the oil the tank compressor. At first I struggled a bit with the using the tools but Ed the instructor was very helpful and patient and I soon got the hang of it. We also learned how to fill the tanks and change the filter, a very handy skill for anyone looking to get a job on a dive boat.


Next we learned how to service regulators. This again is a very usefully skill to have as getting your own regulators serviced can be expensive and learning how to do it your self can save you money. We also learned how to identify and fix any problems a regulator may be having, whether it be a leaking SPGs to a wet breathing second stages. We also looked at fixing leaking tanks and how to patch up BCDs that have holes in them, two more very usefully skills to have. There is also the option of taking gas blending course, which teaches you how to mix gases for nitrox and tech diving, which I will take later in the year.


I would definitely recommend the shop opps course to anyone, especially professional divers. Skills such as the ones you learn over the 4 days are incredibly valuable and many dive companies will look for it on a CV.


by Sophie

opp course blog








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