Oak Park in Cronulla is a shore dive featuring a combination of reef and wall topography. Divers typically explore depths between 8 and 12 metres, with an average of 10 metres. The site is suitable for beginners, offering a generally mild current and visibility ranging from 3 to 15 metres. The reef structure is characterised by sponge gardens. Marine life frequently encountered includes Eastern Blue Groper and various wrasses. Divers may also spot Eagle Rays, Common Sydney Octopus, Spotted Wobbegong, Giant Cuttlefish, and Port Jackson sharks, particularly between July and September. Hazards include boat traffic, surf, and sea urchins, which require careful entry. Facilities at the site include parking, toilets, and showers.

The 4th-5th Reefs off Cronulla consist of temperate reef structures at depths of 15 to 17 metres. This site is suitable for intermediate divers and offers both shore and boat entry options. Visibility typically ranges between 5 and 10 metres. Divers should be aware of boat traffic in the area and are advised to deploy a surface marker buoy before ascending. Facilities at the site include parking and toilets. The water temperature fluctuates between 18C and 24C, with the warmest conditions occurring from summer through early autumn.

Bass and Flinders Point in Cronulla is a shallow drift dive and snorkel site featuring a rocky reef and wall topography. Divers and snorkellers typically experience depths between 3 and 8 metres. The site is accessed from the shore, with a moderate current on an outgoing tide carrying visitors toward Oak Park. Visibility generally ranges from 5 to 10 metres. The area is subject to surge, particularly with north-easterly swells exceeding 1.4 metres. Divers should remain vigilant regarding boat traffic and potential entanglement from discarded fishing lines. Facilities at the site include parking, toilets, showers, and changing rooms.

Shark Island in Cronulla offers a diverse underwater landscape featuring a reef, wall, and drop-off. Depths range from 5 to 27 metres, with an average of 10 metres. Divers frequently encounter spotted wobbegongs, Port Jackson sharks, and eastern blue gropers, alongside fiddler rays, eagle rays, and common Sydney octopus. The site is suitable for intermediate divers, though conditions vary significantly with visibility ranging from 3 to 40 metres. Currents are variable, and divers must manage surge near the wall. Boat access is required, and the area experiences active boat traffic, necessitating the use of a surface marker buoy during ascents and safety stops.

Gunnamutta Bay Baths in Cronulla is a sheltered, shore-entry site featuring an artificial reef structure. Suitable for beginners, the site offers shallow depths ranging from 1 to 6 metres with an average of 3 metres. Divers and snorkellers experience mild currents and visibility typically between 3 and 8 metres. To maintain visibility, shuffle your feet upon entry to avoid disturbing the sandy bottom. Onsite facilities include parking, toilets, showers, changing rooms, and a cafe. For optimal conditions, aim for a calm morning on an incoming tide, as visibility can decrease following rain or during an outgoing tide.

Shiprock in Cronulla is a dynamic shore dive featuring a rocky wall that reaches depths of 3 to 18 metres. This site is suitable for intermediate divers due to strong tidal currents, which necessitate diving only during slack water at high tide. Divers frequently encounter spotted wobbegongs, pineapplefish, stonefish, mourning cuttlefish, green morays, and common Sydney octopuses. Other residents include truncate coralfish, eastern red scorpionfish, various wrasses, and nudibranchs. The site is located in a shipping channel, making surface marker buoys essential for safety against boat traffic. Access involves stairs, and entry requires caution due to sharp oysters on the rocks.

Waterfall is a boat-accessed dive site near Cronulla, Australia, featuring a dramatic wall that drops from 12 to 28 metres. The topography includes a varied reef structure, wall, and drop-off, with cave features present. Divers typically experience mild currents, though conditions vary due to the site's exposure to the open ocean, where surge can be a factor. Visibility ranges from 5 to 30 metres. This site is suited for intermediate divers who are comfortable managing depth and potential surge. Divers must remain vigilant regarding boat traffic overhead and should deploy an SMB before ascending. Typical dive duration is 45 minutes.

Barrens Hut is a boat-accessible site located 300 metres off the coast of Cronulla, Australia. The topography features a combination of reef, wall, and drop-off terrain with depths ranging from 12 to 28 metres. Divers should be prepared for moderate currents that can accelerate along the wall, requiring careful navigation. Visibility typically ranges between 15 and 35 metres. Due to the depth and current conditions, this site is suited for advanced divers. Species recorded around this area include Weedy Seadragons, Spotted Wobbegongs, Pygmy Pipehorses, Red-fingered Anglerfish, Green Sea Turtles, Giant Cuttlefish, Pot-bellied Seahorses, Coffin Rays, Port Jackson sharks, and various nudibranchs.