A-One Diving has been operating from Ranong since 1999. A new branch opened in December 2001 on Koh Payam, a beautiful island set 2hrs. by boat from the main land.

The settings are great, our multilingual team experienced and highly motivated, the Andaman Sea as prolific as promised : you won't forget your trip with us.

Our specialty : live-aboard. We propose a wide choice of diving trips (snorkellers are also welcome !) through the Thai Marine National Parks : Koh Similan, Koh Surin, Koh Tachai, and Koh Born, also including the famous Richelieu Rock. The remote Burmese Banks and the Mergui Archipelago are of course the highlights of our program. This huge area has only been opened to foreigners since 1997, after a closed period of over 50years. Very few divers go there, and a lot have yet to be discovered…

Live-aboard is also a fantastic opportunity to learn ! All PADI courses from Open Water to Dive Master can be organized, with most of the academic and training sessions done at Koh Payam. Our English, French and German speaking dive masters and instructors will make your diving-studying even more comfortable.

Now, if you've never tried it before and suddenly feel like getting completely wet, an introduction dive can be easily done on one of the beautiful shallow reefs our boats never miss to approach. Additionally, A-One Diving puts its vessels at your disposition for chartering. Tell us your needs and we will see which option suits you best.