

Best for intermediate divers, 12-30m, boat entry, strong current.
Cod Hole is a reef site located at Mermaid Reef, accessible only by boat. The topography features outer reef walls dropping to 30 metres, with an average depth of 18 metres. Divers experience strong tidal currents, which facilitate drift diving, though these currents can be variable and require careful planning around slack water. Visibility is high, ranging from 25 to 60 metres. The site is suitable for intermediate divers due to the current and depth. Facilities available include boat charters, guided tours, and air fills. Night diving is permitted at this location.
-17.06202, 119.64815
The potato cod have become accustomed to divers due to long-term controlled feeding practices.
Access is generally via multi-day liveaboard reef trips or selected outer reef tours departing from Cairns and Port Douglas.
Recorded at this site
Depth
12-30m
Visibility
25-60m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
26-30°C
Current
Strong
Typical Dive
60 min
Best Time
Sep, Oct, Nov
The best months to dive this site are September, October, and November.
No, this site is rated for intermediate divers due to the strong and variable tidal currents.
The site ranges from 12 to 30 metres, with an average depth of 18 metres.
Yes, Cod Hole is located 260 kilometres from shore and requires a boat charter to access.
The main hazards are strong, variable tidal currents and the extreme depth of the outer reef walls. Sharks are present but are not noted as aggressive.
Diving at Cod Hole in Western Australia requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Cod Hole in Western Australia. Water temperatures range from 26°C to 30°C.
Cod Hole in Western Australia can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Cod Hole in Western Australia typically ranges from 25 metres to 60 metres. Conditions vary with weather, tides, and seasons.