Second Valley is a shore-accessible site featuring a reef system with caves and caverns. Divers and snorkellers can explore depths ranging from 5 to 10 metres, with an average depth of 8 metres. Visibility typically ranges between 10 and 15 metres. While the current is generally mild, tidal flow can be strong around the point, and diving should be planned around the turns of the tide. Hazards include potential surge within the caves, entanglement risks from fishing lines near the jetty, and surf. Facilities available on site include parking, toilets, showers, changing rooms, and a cafe.

The HMAS Hobart is a 133-metre destroyer scuttled in 2002 to serve as an artificial reef. Resting upright on the seabed, the wreck spans depths of 5 to 30 metres with an average depth of 17 metres. This site is strictly for advanced divers due to strong tidal currents and potential overhead environments within the superstructure. Penetration requires specific wreck diving certification to manage risks like silt-out and disorientation. Visibility fluctuates between 0 and 20 metres. Access is by boat only, and a permit is required. Divers must plan for slack tide to mitigate current strength and carry essential safety equipment including a torch and surface marker buoy.

Port Noarlunga Reef is a protected marine sanctuary located 30 metres from the beach. This shore dive features a rocky reef system and kelp forests with depths ranging from 5 to 18 metres, averaging 6 metres. Divers can navigate through natural swim-throughs and sheltered areas. The site is suitable for beginners, though surge can occur over the reef and currents can be strong through The Gap. It is recommended to dive at the change of tide or during low tide. Water temperatures range from 13C to 22C, and a wetsuit is advised year-round. Facilities include parking, toilets, and an on-site dive shop for equipment hire and condition updates.

Horseshoe Reef is a shallow shore-accessible reef located 300 metres from the coast at Port Noarlunga. The site features depths ranging from 1 to 4 metres, with an average of 2 metres. Divers and snorkellers should be prepared for moderate currents, particularly strong northerly flows during large tides. Visibility is variable, typically between 1 and 4 metres. Due to the swim distance from shore and potential for currents, the site is suited to intermediate skill levels. Facilities including parking, toilets, and showers are available nearby. Visitors should remain aware of rip currents and the presence of jellyfish in the water column.

Olivers Reef at The Bluff is a shallow shore dive with depths ranging from 1 to 5 metres. The site features a reef structure with holes that can create significant surge and moderate currents. Due to the potential for surf and surge, it is recommended to dive only on calm days with low swell. Parking is available at the site for shore access. Species recorded around this area include wrasses, sea stars, southern rock lobster, Shaw’s Cowfish, and various rays and sharks. Divers should be prepared for water temperatures between 14C and 20C, with a 7mm wetsuit or semi-dry suit recommended year-round.

Wright Island is a shallow reef site located 800 metres off The Bluff. Divers can explore depths ranging from 1 to 6 metres. Access to the site requires a boat, and divers should be aware that strong currents and rips can occur in the area. Due to the presence of recreational fishing and regular vessel movement, maintaining awareness of boat traffic is essential. Conditions vary, and the site is best suited for those who can manage current. Parking is available at the shore access point. Divers should enter when the current is at its slackest to ensure a safer experience.

The Bluff Wharf is a shore-entry site in The Bluff, Australia, featuring a diverse underwater topography of reef, wall, and canyon structures. Depths range from 4 to 30 metres, with an average of 17 metres. The site is suitable for beginners, though divers should remain aware of potential hazards including boat traffic, fishing line entanglement, surge, and currents that can strengthen away from the jetty. Visibility typically ranges between 5 and 10 metres. A 7mm wetsuit or semi-dry suit is recommended year-round due to water temperatures fluctuating between 13C and 19C. Parking is available on site, and the area is best dived on calm days to avoid exposure to southerly winds.

Boulders is a shore-entry reef and drift site located at The Bluff, offering a varied topography of boulder-strewn terrain. The site features a broad depth range from 4 metres down to 40 metres, with an average depth of 10 metres. It is suited for intermediate divers capable of managing moderate currents and variable visibility. The area is exposed to southerly winds, which can lead to surf, strong surge, and rough conditions. Divers should monitor current strength and turn back if it increases. Due to water temperatures ranging from 13C to 17C, a 7mm wetsuit or drysuit is recommended. Parking is available, and guided tours can be arranged.