

Best for intermediate divers, 5-45m, boat entry, strong current.
Koh Bon Ridge is a diverse site featuring a reef, wall, and pinnacle topography. Divers can navigate from the North Ridge across the West Ridge and into the bay. The site offers depths ranging from 5 to 45 metres, with an average depth of 25 metres. Access is strictly by boat due to its distance from shore. Conditions are variable, with strong currents and potential down currents, making this site suitable for intermediate divers. Visibility typically ranges between 10 and 40 metres. Water temperatures remain consistent between 29 and 30C, though thermoclines and cold water gusts associated with plankton blooms occur. Night diving is available at this location.
8.82785, 97.79508
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Recorded at this site
Depth
5-45m
Visibility
10-40m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
29-30°C
Current
Strong
Typical Dive
45 min
Best Time
Jan, Apr, Nov
The site ranges from 5 to 45 metres deep, with an average depth of 25 metres.
No, the site is rated for intermediate divers due to strong currents, potential down currents, and deep sections.
Access to Koh Bon Ridge is by boat only.
Yes, both diving and snorkelling activities are conducted here.
Diving at Koh Bon Ridge in Koh Surin requires the following certifications: Open Water, Advanced. Always dive within your training limits.
Yes, equipment rental is available at or near Koh Bon Ridge in Koh Surin. Contact local dive operators for specific gear availability and prices.
A rashguard or 2mm shorty is recommended for diving at Koh Bon Ridge in Koh Surin. Water temperatures range from 29°C to 30°C.
The best months to visit Koh Bon Ridge in Koh Surin are April, November, and January. Conditions outside these months can still be good but are less predictable.
Koh Bon Ridge in Koh Surin can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Koh Bon Ridge in Koh Surin typically ranges from 10 metres to 40 metres. Conditions vary with weather, tides, and seasons.