Whittle Rock is a reef located in the Roman Rock Area of False Bay, South Africa. Situated 8000 metres from the shore, this site requires boat access and is suited for intermediate divers. The reef topography spans depths from 3 to 40 metres, with an average depth of 20 metres. Divers should be prepared for variable conditions, including moderate currents, surge, and cold water temperatures typically ranging between 13C and 15C. Due to the offshore location, boat traffic is a noted hazard. Guided tours are available for those exploring this expansive reef system.

York Shoal is a reef located in the Roman Rock Area of False Bay. The site features a reef top at approximately 4 metres, sloping down to a maximum depth of 28 metres at the edge of the surrounding shingle bottom. Divers typically experience average depths between 18 and 20 metres. The shallower sections of the reef are characterised by heavy growth of red-bait ascidians and patches of black mussel. Access to this site is by boat only, and conditions include variable currents and visibility. Due to the depth and potential for variable conditions, this site is suited for intermediate divers. Be aware of boat traffic and cold water temperatures.

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.

The SAS Fleur is a 53-metre Bar-class boom defence vessel scuttled in 1966. Located in the Roman Rock Area, this wreck sits at depths ranging from 33 to 41 metres, with an average depth of 35 metres. Access is strictly by boat, as the site is situated 11.8 kilometres from the shore. Divers should be prepared for strong currents and cold water temperatures between 13 and 15 degrees Celsius. Due to the depth and conditions, this site is suitable only for advanced divers. Hazards include nitrogen narcosis, strong currents, cold water, and the presence of sharks.

Livingston Reef is a pinnacle site located in the Roman Rock Area of False Bay. Discovered by a diver exploring the nearby Castor Reef, the site features a main pinnacle rising to 14 metres, with a secondary pinnacle to the east reaching 15 to 16 metres. The seabed consists of sand at a maximum depth of 23 metres, with an average dive depth of 18 metres. Access is by boat only. Divers should be prepared for mild currents, though conditions can include low visibility, deep water, and surf. Species recorded around this area include common octopus, long-nosed fur seals, various shysharks, rays, and soft corals.

Seal Island in the Roman Rock Area is a boat-access reef site located 5700 metres from the shore. Divers can expect depths ranging from 2 to 9 metres, with an average depth of 9 metres. Conditions feature moderate currents and visibility fluctuating between 1 and 15 metres. Water temperatures typically range from 15 to 18 degrees Celsius. The site is suitable for beginners, with dives lasting approximately 60 minutes. Hazards include the presence of sharks. Species recorded around this area include long-nosed fur seals, common octopus, smooth rays, European common cuttlefish, leopard catsharks, puffadder shysharks, pyjama sharks, crayfish, flatworms, gurnards, klipfish, hottentot, morwong, and soft coral.

Outer Castle is a reef located 1900 metres offshore in the Roman Rock Area of False Bay. This boat-only dive site features depths ranging from 15 to 25 metres, with an average depth of 17 metres. Divers can expect mild currents, though surge and swell conditions vary. Visibility typically ranges between 5 and 10 metres. Marine life recorded at the site includes sea stars, klipfish, brittle stars, morwong, hottentot, and red roman. Rarer sightings include broadnose sevengill sharks, smooth rays, common octopus, long-nosed fur seals, pyjama sharks, flatworms, crayfish, and puffadder shysharks. Due to active boat traffic, the use of a surface marker buoy is essential for all ascents.

Castle Rock in the Roman Rock Area is a reef and kelp forest site featuring pinnacles that rise from 14 metres to 5 metres. Divers can explore a variety of reef structures and swim-throughs within the kelp. The site has an average depth of 10 metres, with a total depth range of 4 to 18 metres. It is accessible by both shore and boat, and the rock structure provides shelter from north-westerly winds. Visibility typically ranges from 5 to 25 metres, with mild currents. Divers should be aware of boat traffic and surge. The site is suitable for beginners and supports night diving.