Best Places For Scuba Diving In Koh Samui

Diver on Wreck - Scuba Diving In Koh Samui
Diver on Wreck - Scuba Diving In Koh Samui

Scuba Diving In Koh Samui

Koh Samui and nearby Koh Tao are in the Gulf of Thailand, on the east coast of the Thai Peninsula. Diving Koh Samui ranges from granite pinnacles and rocky seamounts to vibrant coral reefs teeming with life. On fringing reefs covered in black coral, barrel sponges, sea fans and vibrant soft corals and anemones expect to see stingrays, eels, barracuda, and turtles. Keep your eyes out into the blue for whalesharks who frequent these waters.

Whaleshark - Scuba Diving In Koh Samui
Whaleshark – Scuba Diving In Koh Samui

Sail Rock (Hin Bai)

This 30m submerged pinnacle is thought by many to be the best dive site in the Gulf of Thailand and one of the best sites for whaleshark sightings. With few other pinnacles nearby, Sail Rock is a fish magnet and the coral-encrusted pinnacle itself is a stunning sight. It’s not just a site for big fish though, you’ll find a plethora of colourful smaller fish darting in and out of the reef, with currents bringing in hunting trevally and barracuda.

Angthong Marine Park

Made up of 42 limestone islands, Angthong has several sea caverns, swim-throughs, overhangs, and sloping reefs. The marine reserve boasts incredible coral diversity, including abundant soft corals, barrel sponges, anemones, several types of black corals and sea fans. The marine life here is equally diverse, and you’ll likely spot large snapper, blue-spotted stingrays, schools of fusiliers and yellowtail barracuda.

Diver on Reef - Scuba Diving In Koh Samui
Diver on Reef – Scuba Diving In Koh Samui

Chumphon Pinnacle

This is one of Koh Tao’s most-famous dive sites and is located within reach of Koh Tao, Koh Phangan and Koh Samui. The site features a series of stunning granite, coral-encrusted pinnacles which are home to batfish, giant grouper, trevally and giant schools of both barracuda and snapper. The reef tops are covered in anemones of all colours, branching corals, sea whips and barrel sponges, and in the blue, the occasional whaleshark.

Ko Tao - Scuba Diving In Koh Samui
Ko Tao – Scuba Diving In Koh Samui

South-West Pinnacle

This series of rock formations range in depth from 4m to 30m, with a seafloor carpeted with anemones in brilliant greens, pinks, and blues. Leopard sharks and whalesharks are occasional visitors to the site, which is home to large schools of snapper, emperor and harlequin sweetlips, yellowtail barracuda and fusiliers.

Shark Island

This dive site is best known for its biodiversity. It features a wall, pinnacles, and a coral garden abundant with colourful soft corals. The range of marine life includes moray eels, angelfish, scorpionfish, pipefish, nudibranch, crustaceans, and an abundance of macro critters. At the drop-offs, you’ll often see passing pelagics such as whalesharks, reef sharks and leopard sharks.

Tourism Thailand

Diver on Wreck - Scuba Diving In Koh Samui
Diver on Wreck – Scuba Diving In Koh Samui

Topside Activities

Visit the Secret Buddha Garden
At the top of Pom Mountain, the Secret Buddha Garden is a sculpture park worth a visit. The garden was the beloved project of Khun Nim, a retired farmer who worked on it for 14 years until his death at the age of 91.

Take a Thai cooking class
Koh Samui has lots of cooking schools, most of which include a tour of the local market followed by guided instructions for making classic dishes.

Cooldown at Na Muang Waterfalls
These two waterfalls are located a five-minute drive away from each other and both very picturesque. Waterfall One is easy to access and has a wide natural pool that is perfect for swimming. Getting to Waterfall Two requires a little climbing, but the view from the top
is worth the effort.

Koh Samui Waterfall - Scuba Diving In Koh Samui
Koh Samui Waterfall – Scuba Diving In Koh Samui

Divers Guide To Koh Samui

Climate – Koh Samui has a tropical climate and is warm all year-round with average temperatures of 28-32°C. The hours of sunshine per day depends on the time of year, and averages at around seven hours.

Water Temperature – Average water temperature in Koh Samui is between 28 to 30 degrees C and tends to be slightly warmer between April and September.

When to dive – Koh Samui enjoys stable conditions throughout the year, with the official rainy season between October and December. Whalesharks cruise into the deeper pinnacles through all seasons but are most likely to appear in April-May when the plankton levels are higher.

Find more inspiration for your dive trips this year in the Ultimate Divers Guide. Register on the website to read your free copy.

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The information in this video is not intended nor implied to be a substitute for professional SCUBA Training or recommendations for every manufacturer. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace training from a qualified Dive Instructor or specific requirements from equipment manufacturers.

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RkJGOTAwRDhCOEQ1RjIy

Is This The Best Dive Center Ever? W\@wakatobidiveresort

@sennacher 
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer?  I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/ 

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@sennacher
#askmark Hi there, regarding DSMBs. I’m no expert whatsoever and normally I deploy it correctly. This weekend we dove on very strong current and I almost lose my breath while deploying it (mouth inflate) as it tangled a bit on my reg. It scared the sh&t out of me so. Is there any “little cylinder” kind of thing in order to keep my reg in my mouth to deploy it safer? I haven’t tried to do it with my LPI… but asume it would tangle also.
Thanks
Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/

✅ Important Affiliate Links to Follow

🔗 Get 15% Off International eSIM Offer! Use Code: SCUBADIVERMAG
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▶️ https://www.youtube.com/watch?v=_Y6wIOKde48

=================================

✅ About Scuba Diver Magazine.

Welcome to Scuba Diver Magazine! We’re passionate about everything related to the underwater world. As a free distribution magazine in Europe, ANZ, and North America, we bring you the latest in scuba diving, from epic dive travel destinations and honest gear reviews to expert advice, news, and inspiring underwater stories.

Whether you’re a seasoned diver or just starting your underwater journey, our content is designed to keep you informed, inspired, and ready for your next dive. Get in, explore, and stay connected to the world of scuba diving with us! Join us and never miss an adventure!

For Business inquiries, please use the contact information below:

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YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS43RDFFNUM4NkUwRDhEMjRD

Is There an Easier Way to Deploy a dSMB?

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained #scubadiving #askmark #twinset

Confused about how to use twinset valves or perform a proper valve shutdown drill? You’re not alone.

In this AskMark episode, Mark explains how valves work on twin cylinders, including how to safely open and close them, how isolator valves function, and why valve drills (also known as shutdown drills or V-Drills) are critical for diagnosing leaks during technical and recreational dives. Please visit our website for more Scuba news, underwater photography, hints & advice, and travel reports: https://divernet.com/ 

Mark also shares tips on muscle memory for reaching your left and right posts, isolator-first vs isolator-last logic, and how to prevent over-tightening or unsafe valve positioning. This guide is perfect for divers transitioning to twinsets, sidemount divers curious about manifold setups, or anyone wanting to improve their gas management skills. 

Let us know in the comments how your instructor taught valve drills and don’t forget to leave your questions using #AskMark to get featured in a future video. 

@mostafametwally1

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▶️ https://www.youtube.com/watch?v=F7MfATRd5Os
▶️ https://www.youtube.com/watch?v=_Y6wIOKde48 

=================================

Disclaimer: The information in this video is not intended nor implied to be a substitute for professional SCUBA Training. This video's content, including text, graphics, images, and information, is for general information purposes only and does not replace training from a qualified Dive Instructor.

🔎 Related Phrases:

How Twinset Valves Work In Scuba Diving, Shutdown Drills And Isolator Tips Explained, How Twinset Valves Work In Diving, Scuba Valve Drill Tutorial, Shutdown Drill For Twin Cylinders, How To Use Twinset Isolator Valve, Twinset Manifold Explained, Best Way To Close Dive Valves, V-Drill For Scuba Divers, Twin Cylinder Gas Management Tips, Scuba Regulator Shutdown Steps, How To Practice Twinset Valve Drills, Muscle Memory For Valve Shutdowns

#scubadiving #askmark #twinset #scubavalves #shutdownskills #divingsafety #scubatraining #scubatech #divetips #manifoldvalve #valvedrill #scubagear #divingtechniques #scubacommunity #technicaldiving

How Do Valves Work on Twin Cylinders? #askmark
@mostafametwally1
#askmark hi Mark. Could you do a video on how to deal with the valves and manifold on twin cylinders. It’s confusing to remember which way to open the valves and it’s easy to get wrong particularly in emergencies. Thanks
#scuba #scubadiving #scubadiver

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The information in this video is not intended nor implied to be a substitute for professional SCUBA Training or recommendations for every manufacturer. All content, including text, graphics, images, and information, contained in this video is for general information purposes only and does not replace training from a qualified Dive Instructor or specific requirements from equipment manufacturers.

YouTube Video UEw2X2VCMS1KYWdWbXFQSGV1YW84WVRHb2pFNkl3WlRSZS5EQkEyODM0NTk2MUFEQkYz

How Twinset Valves Work In Scuba Diving | Shutdown Drills And Isolator Tips Explained

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Alex Krasnic
Alex Krasnic
2 years ago

Done Sail Rock, Chumphon Pinnacle and South-West Pinnacle. All “must do” dives !

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