

Best for intermediate divers, 4-22m, boat entry, mild current.
Castor Rock is a reef and pinnacle system located 3300 metres offshore in the Roman Rock Area. The site features a varied topography with a maximum depth of 22 metres to the north and 18 metres to the south. The highest point of the reef reaches 7 metres, with additional pinnacles rising above 12 metres. Divers should be prepared for mild currents and surge, with visibility typically ranging from 5 to 15 metres. Water temperatures fluctuate between 14C and 17C throughout the year. Due to the offshore location, boat access is required. Species recorded around this area include common octopus, long-nosed fur seals, pyjama sharks, and various reef fish.
-34.17318, 18.57994
Go early to get the serene quiet before the site gets busy.
Always dived from a boat. The site is 3.3 km from Simon's Town jetty or 5.6 km from Miller's Point slipway.
Recorded at this site
Depth
4-22m
Visibility
5-15m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
14-17°C
Current
Mild
Best Time
Apr, Nov
Species recorded around this area include common octopus, long-nosed fur seals, pyjama sharks, puffadder shysharks, and various reef fish such as Hottentot.
No, this site is rated for intermediate divers due to the offshore location, potential surge, and depth range.
The reef features depths ranging from 4 to 22 metres, with the highest point of the pinnacle reaching 7 metres.
Castor Rock is located 3300 metres from shore and requires boat access.
The best months for diving at Castor Rock are April and November.
Divers should be aware of surge and the presence of sharks in the area.
Diving at Castor Rock in Simon's Town requires the following certifications: Open Water. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Castor Rock in Simon's Town. Water temperatures range from 14°C to 17°C.
Castor Rock in Simon's Town typically has mild currents that most divers can handle comfortably.
Visibility at Castor Rock in Simon's Town typically ranges from 5 metres to 15 metres. Conditions vary with weather, tides, and seasons.