Wattamolla Lagoon in Royal National Park offers a sheltered shore entry point suitable for both snorkelling and diving. The site features a reef environment with depths ranging from 18 to 27 metres, averaging 23 metres. While the lagoon itself remains calm, divers should be aware of potential surf and strong currents outside the sheltered area. Visibility fluctuates between 3 and 15 metres. Species recorded around this area include Eastern Blue Groper, wobbegong sharks, stingrays, and sea turtles. Facilities including parking and toilets are available. Jumping from the surrounding cliffs or waterfall is prohibited due to variable depths and submerged rocks.

The SS Tuggerah is a technical wreck dive located 2200 metres off the coast of the Royal National Park. Resting at depths between 45 and 48 metres, the site requires decompression procedures and careful management of narcosis. Divers encounter strong, unpredictable currents that often originate from the north or south, which can make the site inaccessible even when visibility is high. Visibility typically ranges from 15 to 30 metres. Due to the depth, overhead environment, and potential for entanglement, this site is strictly for technical divers. Boat access is required, and divers should plan for a typical bottom time of 22 minutes.

Marley Point in the Royal National Park is an advanced reef and cave dive site located 5500 metres offshore. The topography features complex cave systems and sponge gardens, with depths ranging from 5 to 35 metres and an average of 18 metres. Divers must manage moderate currents and surge, which can push against cave walls. Visibility varies significantly between 5 and 25 metres. Due to the surge and current, this site is strictly for experienced divers. Boat entry is required, and timing dives around slack water is recommended to mitigate current impact. Always monitor conditions closely, as offshore winds can bring colder deep water to the surface.

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.

The SS Undola is a shipwreck located 2500 metres offshore in the Royal National Park, resting at depths between 43 and 45 metres. This site is strictly for advanced divers due to the depth, potential for entanglement, and moderate to strong currents that can necessitate dive cancellations. Visibility ranges from 5 to 30 metres. Access is by boat only, and divers should plan for a typical dive duration of 40 minutes. It is recommended to time dives with slack water to manage current strength. Water temperatures fluctuate between 17C and 21C throughout the year.

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.

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.

Lilli Pilli in Cronulla is a versatile shore-entry site featuring a mix of reef, wall, and artificial reef structures. Suitable for beginners, the site offers depths ranging from 1 to 22 metres, with an average depth of 10 metres. Divers and snorkellers should be aware of moderate currents and variable visibility between 3 and 15 metres. The site is best navigated on an incoming tide, with optimal visibility occurring at slack high tide. Due to frequent boat traffic and fishing activity in the area, divers should surface close to the shore and remain alert for fishing lines. Parking is available for site access.