Siam Dive n Sail has been the leading provider of Southeast Asia diving travel and liveaboards since 1996. We're based on the beautiful resort island of Phuket, in Thailand, Southeast Asia's premier tropical playground. Co-owners John Williams and Bent Posejpal are veterans of more than 20 years in the diving business, and are experts on diving in Thailand, Mergui and the Andaman Islands. John is a Lonely Planet author and has authored or co-authored four books on diving in the region. Bent is a PADI Course Director who has trained well over 1000 instructors since 1994; he offers instructional level (IDC) training in Phuket every month.

Siam Dive n Sail offers travel advice and books liveaboard and resort holidays to the many world-class destinations of South Asia, including to our home in Thailand and Burma (Myanmar), as well as Indonesia, the Maldives, Papua New Guinea, Malaysia, and the Philippines. Choosing the right holiday and the right resort or liveaboard can be a daunting task – we're here to help you plan, make it fun, and ensure you enjoy the best diving holiday possible!