

Best for intermediate divers, 5-40m, boat entry, mild current.
Back Door is a large reef system extending from Mpai Bay along the north-western coast of Koh Rong Samloem. The topography features large boulders in the shallows and cliff-like overhangs. This site is suitable for intermediate divers, with depths ranging from 5 to 40 metres and an average depth of 12 metres. Access is by boat only. Divers should be prepared for mild currents and variable visibility between 5 and 30 metres. Hazards include boat traffic, deep sections, sea urchins, sharp coral, and venomous species such as lionfish and stonefish. Night diving is available at this location.
10.62114, 103.28953
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Recorded nearby, within 20km
Depth
5-40m
Visibility
5-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
29-31°C
Current
Mild
Typical Dive
50 min
Best Time
May, Nov
No, this site is rated for intermediate divers.
The site ranges from 5 to 40 metres deep, with an average depth of 12 metres.
Back Door requires boat access.
The best months to visit are May and November.
Divers should watch for boat traffic, strong currents, sea urchins, sharp coral, and venomous stonefish or lionfish.
Diving at Back Door in Sihanoukville requires the following certifications: Open Water. Always dive within your training limits.
Yes, equipment rental is available at or near Back Door in Sihanoukville. Contact local dive operators for specific gear availability and prices.
A rashguard or 2mm shorty is recommended for diving at Back Door in Sihanoukville. Water temperatures range from 29°C to 31°C.
Back Door in Sihanoukville typically has mild currents that most divers can handle comfortably.
Visibility at Back Door in Sihanoukville typically ranges from 5 metres to 30 metres. Conditions vary with weather, tides, and seasons.