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Scuba Diving at Koh Tang Island

Koh Tang dive sites will take around two hours to reach by boat from Koh Rong Samloem Island and they are some of the furthest diving destinations conducted from Sihanoukville on the mainland.

This section lists all the top spots for scuba diving and snorkeling at Koh Tang and what kind of marine life exists at this remote location in the Gulf of Thailand.

Best Locations for Divers at Koh Tang Island

Despite being one of the faraway scuba destinations, the main reason for diving here is to experience enhanced visibility underwater.

There are only a few sand beaches and most of the island's inhabitants are personnel from the Cambodian military.

Even so, Koh Tang is an awesome place for certified Open Water divers to experience some spots with deeper water.

It is a 5.9 km2 rocky land mass situated to the south-west of Koh Rong Samloem Island - popular with tourists and backpackers.

One of the benefits of diving Koh Tang is having a variety of shallow and deep water sites with calm seas and great visibility.

In fact, scuba divers can expect to experience water clarity ranging from ten (10) to thirty (30) metres throughout most of the year.

Note: Most of the islands near Sihanoukville province remain uninhabited. Even so, reports suggest there could be plans to develop a Casino, golf course, and an airport in the future.

What Marine Life Will Scuba Divers See?

There are several reasons for adding Koh Tang to our Cambodia diving list, including its vibrant reef gardens and a diverse variety of marine creatures.

Furthermore, you will find several wall dives (similar to Cobia Point Koh Rong Samloem) and steep drop-offs with no shortage of places to see big fishes (e.g. pelagic wanderers). Typical aquatic animals and marine biodiversity found in the area include:

Note: The heaviest monsoon weather affects the diving season in Cambodia from June until September. Even so, the general remoteness of Koh Tang Island dive sites renders them better suited for exploration by overnight live aboard dive boats.

List of Sites for Diving Koh Tang


The large reef descends from the shallow water at the shoreline and creates an unusual foundation at the seabed around sixteen (16) metres below the surface.

The information in this section explains how to get to Atlantis dive site Koh Tang, the average depth limits, and what marine life species divers may see below the surface.

Beady Eye Bay

This section explains everything you need to know about the dive site called Beady-Eye Bay situated at the northwest of Koh Tang Island and what kind of marine creatures divers will see.

If scuba diving after sunset excites you then this aptly named location is the place to see the beady eyes of critters and crustaceans in the darkness.

Explosion Reef

Are you planning a dive at Koh Tang? If so, there's a reef that explodes with vibrant colours of juvenile fish species swimming against a backdrop of staghorn coral.

The information in this section explains how to get to the Explosion Reef dive site, average depth limits, and what kind of marine species you should see below the surface.

Fly By Reef

With depths descending to twenty (20) metres, Fly By Reef dive site is one of the deepest dives in the area with great visibility. But, it also tends to get the fastest water currents.

Giraffe Lookout

There is a rational reason for naming one of the popular dive sites at Koh Tang Island, near Sihanoukville, after the world's tallest mammal.

This section explains why it's called Giraffe Lookout dive site, how to get there, the average depth limits, and what marine animals you might see.

Razorfish Alley

If you enjoy night diving this site is one to note. As you head out over the sand in the bay you should see schools of razorfish (Aeoliscus strigatus).

They will smother the bright beams from underwater lights and torches and you may find it difficult to see any other species.

Razorfish Alley is one of the remote diving locations found at the southeast of Koh Tang Island. Even so, the quietness means you have a good chance of spotting octopus, scorpionfish, squid, and various crab species.

Stingray Alley

You may have already guessed, but scuba divers are almost guaranteed to see stingrays (sea rays) at the deep, sandy areas surrounded by rocky outcrops.

This section contains information about Stingray Alley dive site at Koh Tang, how to get there, depth limits, and which marine species are prevalent in the area.

The Steps

The site name is taken from the topography. Rocky formations and underwater ledges create one of the most interesting destinations for the local diving community.

This section explains how to get to a dive site called The Steps, average depth limits, and what marine species you should expect to see.

Three Bears

This is a popular spot for divers because of the three cave formations at the shoreline. They resemble a large bear and two smaller ones on each side.

This guide explains everything you need to know about the Three Bears dive site situated to the southwest of Koh Tang Island and what aquatic life divers should see.

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