Scuba Diving with the Blue Marlin Divers, Dive Center in Khao Lak, Thailand

About us

Our diving center founded in 2005 in Khao Lak is a well-established diving center with its own diving speedboat "Blue Marlin". We specialize in day trips and offer you only the best dive sites in the Andaman Sea.
Be surprised by manta rays and whale sharks at our dive sites.
Koh Bon, Koh Tachai and the world famous Richelieu Rock are waiting for you.
As Aqualung Partner Center we have modern high quality diving equipment. A multilingual professional instructor team accompanies your dives in small groups with a maximum of 4 divers per instructor. Under German management, we ensure you safe diving with the appropriate portion of fun.

Come and feel the difference to dive with us!

Khao Lak, diving day trips dive sites of "Blue Marlin"

Diving Richelieu Rock

Certainly the best dive site in Thailand. Whale sharks are common here, schools of barracuda, tuna and mackerel, beautiful coral landscape. more...

Diving Koh Bon

A beautiful fringing reef on which manta rays are often to be found, also whale sharks occasionally look over here. more...

Diving Koh Tachai

Coral-covered granite cliffs with schools of fish, where manta rays and whale sharks are more common. more...

Dive Sites of "Blue Marlin"

Our dive-speed boat "Blue Marlin" only drives to the top dive sites in Andamann See. Koh Bon & Koh Tachai, 2 islands belonging to Similan National Park. And as an absolute highlight we drive 4 times a week the best dive spot in Thailand, the Richelieu Rock, which belongs to the Surin National Park.

Richelieu Rock

Certainly the best dive site in Thailand. Whale sharks are common here, schools of barracuda, tuna and mackerel, beautiful coral landscape. more...

Koh Bon

A beautiful fringing reef on which manta rays are often to be found, also whale sharks occasionally look over here. more...

Koh Tachai

Coral-covered granite cliffs with schools of fish, where manta rays and whale sharks are more common. more...

Blue Marlin Dive Speedboat

The "Blue Marlin" Dive Speed Boat is a newly developed and built in 2018 to fit the needs of our divers . Powered by 3 Yamaha 250 hp outboard engines, it takes you in short transfer times to the best dive sites in the Andaman Sea.
With a length of over 16 meters plus a specially developed dive platform, with 2 ladders that are normally only found on large boats, the diving of the "Blue Marlin" makes it as comfortable as possible.
A tank mount system that secures the scuba tanks safely behind the seats gives you a comfortable spacious interior. A toilet with sink and electric flushing are standard. An integrated ice box always well filled with water and soft drinks, which are served free of charge during our dive trips, is of course on board.
With a maximum of 20 guests and 5 instructors aboard, the "Blue Marlin" is fully booked even big enough to guarantee you a comfortable day diving.