Best Similan Islands Scuba Diving: Coral Reefs, Marine Life, And Crystal Water

Enjoy Similan Islands skuba diving, with colourful fishes and marine life in background.

The Similan Islands, a group of tiny islands in the Andaman Sea off the west coast of Thailand, are a hub for scuba diving enthusiasts from all over the world. From the professional and experienced scuba diver to the novice, Similan Islands scuba diving provides an unforgettable underwater adventure. The crystal clear waters are teeming with marine life and colourful corals and offer one of the most breathtaking scuba diving experiences in the world. The water temperature in the Similan Islands is between 26 and 29 °C, which is proper for diving year-round.

Factors That Affect Similan Islands Scuba Diving

Marine life at Similan Islands, including colourful corals and fish in clear waters.

Photo: NEOM / Unsplash / Image For Representation Only

Several factors can influence your scuba diving experience in the Similan Islands:

  • Weather and Season
  • Water Temperature
  • Environmental Concerns

5 Popular Spots For The Similan Islands Scuba Diving

1. Elephant Head Rock

An image of a person wearing all scuba gear in deep water, almost touching a sea turtle.

Photo: Neom / Unsplash / Image For Representation Only

One of the most recognisable dive sites in the Similans, Elephant Head Rock is named after the huge granite boulders that form impressive underwater tunnels and swim-throughs peppered with myriad overhangs. The diversity of marine life is also remarkable, with regular sightings of reef sharks, moray eels, barracudas, and turtles. Indeed, with its dramatic underwater profile and teeming with sea life, it is no surprise that Elephant Head Rock is the most sought-after dive site in the Similan Islands for scuba diving. It is a favourite amongst divers of all experience levels.

Minimum Depth Level: 12 meters
Maximum Depth Level: 40 meters

2. Richelieu Rock

 A yellow and red-spotted ghost pipefish swimming over colourful corals in Richelieu Rock.

Photo: Tim Sheerman-Chase / Wikimedia Commons

As fabulous as the Similan Islands’ scuba diving is, it’s worth taking a day trip out to Richelieu Rock—although technically outside the Similan Islands, it is usually included in the Similan Islands scuba diving itineraries. Richelieu Rock is another world-class diving site and is world-famous for its whale-shark and manta encounters, and the spectacular array of smaller marine life, such as seahorses, can be breathtaking. The coral gardens and potential sightings of large pelagic species make it a highlight of any scuba diving trip here. For many, it is the best diving in the Similan Islands.

Minimum Depth Level: 5 meters
Maximum Depth Level: 35 meters

3. East Of Eden

Underwater rock formations and swim-throughs while Similan Islands scuba diving.

Photo: Kris-Mikael Krister / Unsplash / Image For Representation Only

East of Eden is widely considered to be one of the most beautiful sites in the Similan Islands and one of the best places for Similan Islands scuba diving. It is known for its large coral bommie, which is frequented by a huge diversity of fishes such as ribbon eels and angelfish, to name a few, as well as barracudas. The scene is full of a riot of colours, and the sea perimeter is swarming with life.

Minimum Depth Level: 5 meters
Maximum Depth Level: 30 meters

4. Christmas Point

Spot golden-coloured stingrays while on Similan Islands scuba diving at Christmas Point.

Photo: Vlad Tchompalov / Unsplash / Image For Representation Only

Christmas Point is characterised by a dramatic underwater landscape of large boulders that offer exciting swim-throughs and canyons. Divers who visit Christmas Point can find leopard sharks, turtles, and blue-spotted stingrays. It’s one of the most popular dive sites in the Similan Islands. The underwater landscape and abundant marine life make this a thrilling dive that combines visual and bodily engagement and is therefore suitable for divers of different levels.

Minimum Depth Level: 15 meters
Maximum Depth Level: 40 meters

5. Anita’s Reef

Witness colourful corals and fishes while on Similan Islands scuba diving at Anita’s Reef.

Photo: NEOM / Unsplash / Image For Representation Only

Anita’s Reef is an excellent dive site for the beginner as well as for more advanced divers and dive enthusiasts. As the corals are growing right beside each other, the fish just need to leave their shelter in the corals. Not only the easy access and lower current than at other sites, but the good visibility and the high biodiversity of marine life make this dive site a top recommendation for scuba diving.

Minimum Depth Level: 5 meters
Maximum Depth Level: 25 meters

Average Cost For Similan Islands Scuba Diving

An image of the travel things and money required for Similan Islands scuba diving.

Photo: ian dooley / Unsplash / Image For Representation Only

The prices for scuba diving in the Similan Islands are as follows:

Day Trips: 3000 – 5000 THB (₹7,398 – 12,330) per person
Liveaboard Trips: 25,000- 45,000 THB (₹61648 – 110,965) per person for a multi-day trip

These prices are usually inclusive of the rental of the equipment, the dive master, food, and accommodation, but, of course, it pays to double-check it with your chosen dive operator. These budgets are for four divers.

With more than 20 dive sites for Similan Islands scuba diving, you will never run out of places to explore. Similan Island scuba diving experiences are designed such that you can first spend time learning and then move on to the real adventure. If you plan to visit Thailand any time soon, plan a trip with TripXL today and do not miss out on this once-in-a-lifetime thrill.

Cover Photo: NEOM / Unsplash / Image For Representation Only

Frequently Asked Questions

Diving in the Similan Islands is best done in the period from November to April if you want to avoid the rough conditions of the southwest monsoon and enjoy the high visibility.
To visit the Similan Islands, take a boat out of either Khao Lak or Phuket; either option requires several days.
Divers can expect to see reef sharks, manta rays, whale sharks, and an assortment of reef fish.
Indeed, diving sites such as Anita’s Reef are perfect training grounds for beginners who can enjoy it as an easy dive with a shallow slope in calm waters teeming with fish and other marine life.
Despite not being an island of the Similans, Richelieu Rock is often included in scuba diving day trips from the Similan Islands because it is very close to them and has a vast marine life diversity.
Elephant Head Rock is a popular diving site due to the huge rock formations and swim-throughs and rich marine life, including reef sharks and moray eels.

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