All4Diving Phuket

The Racha islands run daily and Phi Phi several times a week aboard MV All4 Explorer, with a weekly trip for experienced divers covering Koh Dok Mai, Shark Point and the King Cruiser wreck.

Yes. The centre teaches the full PADI ladder from first try dives through Open Water and on to Divemaster, and holds the 5 Star Career Development Centre rating with a resident Platinum Course Director.

Air-conditioned minivan transfers, freshly cooked breakfast and a Thai and western lunch on board, drinks and fruit through the day, and qualified divemasters and instructors on the operator's own boat.

Yes. Liveaboards head to the Similan islands, Koh Bon, Koh Tachai and Richelieu Rock, with Burma routes also on the calendar.

October to May brings the best conditions for Racha, Phi Phi and the Similans, though day trips sail year round. Courses and trips can be booked directly with the centre, including packages with accommodation.