

Best for intermediate divers, 1-15m, shore & boat entry, strong current.
Marengo Reefs is a marine site located 150 metres off the coast of Apollo Bay. The area features a reef and kelp forest with depths ranging from 1 to 15 metres, averaging 8 metres. Access is possible via both shore and boat. Conditions are variable, with visibility reaching up to 25 metres, though strong tidal currents and surf are common hazards. The site is suitable for intermediate divers and snorkellers who should monitor local swell forecasts. The larger island serves as a haul-out area for Australian Fur Seals, and access to this island is prohibited to prevent disturbance to the animals.
-38.77810, 143.66850
Check the Bureau of Meteorology swell forecast before heading out, as surf and current can change quickly and will significantly affect your experience at this site. Facilities are limited, so confirm locally what is available before you go.
The sanctuary is located approximately 150m offshore from Marengo Beach. It can be accessed by swimming from the shore (Hayley Point), particularly at low tide. Boat tours and charters are also available from the nearby Apollo Bay harbour.
Recorded at this site
Depth
Up to 15m
Visibility
Up to 25m
Skill Level
Intermediate
Entry
Shore & Boat
Water Temp
14-18°C
Current
Strong
Best Time
Year-round
The depth ranges from 1 to 15 metres, with an average depth of 8 metres.
The site is rated for intermediate skill levels due to the presence of strong tidal currents and surf.
Yes, snorkelling is possible, though the site has a low snorkel rating of 1/5.
Both shore and boat access are available for this site.
The site can be visited year-round from January through December.
A 7mm wetsuit or semi-dry is recommended for diving at Marengo Reefs in Great Ocean Road. Water temperatures range from 14°C to 18°C.
Marengo Reefs in Great Ocean Road can have strong currents. Advanced experience with drift diving and current navigation is recommended.
Visibility at Marengo Reefs in Great Ocean Road can reach up to 25 metres. Conditions vary with weather, tides, and seasons.