

Best for intermediate divers, 5-32m, boat entry, moderate current.
Koh Doc Mai is a distinctive wall dive located near the Racha Islands. The site features a vertical wall with cracks, caves, and overhangs that descend to approximately 32 metres, with an average depth of 20 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and the presence of overhead environments. Visibility varies significantly from 3 to 30 metres. Species recorded around this area include white eyed moray, ocellaris anemonefish, groupers, crabs, long-spined sea urchins, hard coral, and snails. Divers should be aware of potential hazards including sharp coral, strong currents, and low visibility.
7.79757, 98.53054
The west edge of the island is the preferred side for diving.
Accessible via boat trips departing from Phuket, scheduled every Monday and Thursday.
Recorded at this site
Depth
5-32m
Visibility
3-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
28-31°C
Current
Moderate
Typical Dive
50 min
Best Time
Mar, Apr
Species recorded around this area include white eyed moray, ocellaris anemonefish, groupers, crabs, long-spined sea urchins, hard coral, and snails.
No, this site is rated for intermediate divers due to the presence of overhead environments and moderate currents.
The site ranges from 5 to 32 metres, with an average depth of 20 metres.
Koh Doc Mai requires boat access as it is located 20 kilometres from the shore.
The best months to visit are March and April.
Diving at Koh Doc Mai in Phuket requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Koh Doc Mai in Phuket. Water temperatures range from 28°C to 31°C.
Expect moderate currents at Koh Doc Mai in Phuket. Good buoyancy control and some drift diving experience is helpful.
Visibility at Koh Doc Mai in Phuket typically ranges from 3 metres to 30 metres. Conditions vary with weather, tides, and seasons.