Similan Islands #8 & #9 aerial view with Similan Diving SafarisStarfish and diver with Similan Diving SafarisMoray eel at Surin Islands with Similan Diving SafarisManta Rays at Black Rock in Myanmar with Similan Diving Safaris

Diving Similan Islands and Surin Islands, Richelieu Rock & Myanmar

Similan National Park has limited the number of divers per day.
To secure your entrance into the Similan Islands we strongly advise you to book in advance.


If you are looking for the best diving sites in Thailand, then your search ends right here. Similan Diving Safaris is a western-managed PADI Five-Star Dive Center situated on Nang Thong Road in Khao Lak, Phang Nga Province, opposite the Similan Islands,Thailand.

We offer a wide range of opportunities for divers to enjoy a splendid time diving at the Similan and Surin Islands, Thailand.
Thailand and the Andaman Sea are renowned for its pristine waters and magnificent marine wildlife and fauna. Furthermore, the colourful corals, not to mention the spectacular reefs and pinnacles offer ideal conditions for seeing Manta Rays and Whale sharks leaving you with a lasting memorable diving experience.

Our services in the diving industry here in Khao Lak are unique in that we are a family-run PADI 5 Star dive center with over 20 years of experience in offering our liveaboard trips to go scuba diving in Thailand at places such as the Similan & Surin National marine parks which include, Koh Bon & Koh Tachai, and the world famous Richelieu Rock.
We try our best to give all our divers a personal service during their stay aboard our liveaboards. Similan Diving Safaris will take you to the most spectacular scuba diving destinations.

But that’s not all….We also have a 7 days/ 7 nights liveaboard trip to the Mergui Archipelago.
In the Mergui Archipelago, Myanmar you will be diving in unexplored and extremely remote dive sites. It sounds good, right?

Similan Islands

Situated in the Andaman Sea off Phang-Nga province, Southern Thailand, the Similan Islands are considered among the world’s best dive destinations. Consisting of 9 different islands that offer prospective divers a wide range of options.

The Similan Islands boasts of exceptional flora and fauna due to the Islands being uninhabited and closed for 6 months during the monsoon season. This closure gives time for the coral reefs and marine life to rejuvenate.

m/v Dolphin Queen   aerial view Dolphin Queen

The M/V Dolphin Queen offers 14 dives on a 4 Days/ 4 Nights liveaboard trip to the Similan Islands & Richelieu Rock, 18 dives on a 5 Days/ 5 Nights iveaboard diving trip to the Similan Islands, Surin Islands & Richelieu Rock and 19 to 21 dives on a 7 Days/ 7 Nights liveaboard diving trip in the Mergui Archipelago, Myanmar (Burma).

Schedule & Bookings Dolphin Queen

m/v Similan Explorer   similan island 8 beach

The M/V Similan Explorer offers 10 dives on a 3 Days/ 3 Nights liveaboard trip to the Similan Islands & Richelieu Rock and 18 dives on a 5 Days/ 5 Nights trip to the Similan Islands, Surin Islands & Richelieu Rock.

Schedule & Bookings Similan Explorer

Below are some of the dive sites you can expect to explore during your diving safari to the Similan Islands.

  • Hideaway Bay
  • West of Eden
  • Deep Six
  • North Point
  • Christmas Point
  • Hin Pusa (Elephant Head Rock)

Koh Bon and Koh Tachai

During the diving safari we also visit and dive at Koh Bon & Koh Tachai. These are the places where you might see manta rays and whale sharks.
Koh Bon is an island made of limestone This island is a haven for divers thanks to the breathtaking underwater pinnacles and famous for the visiting Giant Manta Rays.

Koh Tachai island dive site has a plateau surrounded by giant boulders which attracts large schools of barracudas and giant trevallies. It offers some of the best sites for scuba diving in Thailand. Sightings of whale sharks and mantas are regular.

The recommended depth for PADI open water divers in Similan diving sites is 18m while advanced open water divers can go as deep as 30m. PADI open water divers are encouraged to take the Advanced Open Water Course or the Adventure Deep Dive before or during the liveaboard safari, these courses allow you to dive up to 30 meters.

Schedule & Bookings Dolphin Queen   Schedule & Bookings Similan Explorer

Surin Islands

The Surin Islands are an archipelago of five different islands, including Koh Surin Tai, Koh Surin Nuea, Koh Khai, Koh Ri and Koh Klang. For purposes of conserving the environment, Surin Islands became a Marine National Park. Richelieu Rock is part of the Surin Marine National Park.
Similan Diving Safaris promises to take you safely to all the best dive sites located at the Surin Islands National Park aboard our comfortable liveaboard, the M/V Similan Explorer.
Some of the most popular dive sites located at the Surin Islands National Park include the following:

  • Koh Chi
  • Ao Phak Kat
  • Richelieu Rock
  • Hin Kong
  • Koh Torinla

Richelieu Rock

Our diving safaris include a visit to the world-famous Richelieu Rock. This horseshoe-shaped pinnacle reef is located about 18 km east of the Surin Islands. It is a must visit dive site because of the enormous amount of marine life. We do day and night dives on the Richelieu Rock with our M/V Dolphin Queen and M/V Similan Explorer liveaboards.

Why Choose Us?

We offer great food and accommodation aboard our liveaboards at affordable rates. Furthermore, we pride ourselves in having some of the most competent and knowledgeable staff in the industry, who are not only hospitable but also great navigators when it comes to selecting the best sites for diving. As our rental equipment concerns, we use exclusively Aqualung products.

Besides arranging exquisite diving tours to the Similan and Surin Islands, we also offer PADI courses for Open Water diver, Advanced Open Water diver. Our highly competent and experienced diving instructors are always at hand to guide you through the steps until you become a certified diver!
Other courses offered include Nitrox, Emergency First Response (EFR), and Rescue and Divemaster.

Considering our experience in the industry, we were bestowed with the 2014 PADI Asia Pacific award, in recognition of our outstanding services in the industry.

With all these packages at your disposal, diving vacations have never been better. Whether you are a beginner or a certified diver we got you covered.
Contact us today for splendid diving safaris to the best diving islands in the Andaman Sea.
We will be glad to serve you!

Schedule & Bookings Dolphin Queen   Schedule & Bookings Similan Explorer