Kurnell is a diverse marine site located on the southern tip of Botany Bay, featuring a mix of reef, kelp forest, and wall topography. Divers and snorkellers can explore depths ranging from 3 to 23 metres, with an average depth of 12 metres. The site is accessed via a shore entry, where users should shuffle their feet to avoid hidden rocks. Conditions include moderate currents and visibility between 5 and 25 metres. Due to potential surf, boat traffic, and strong currents further offshore, this site is best suited for intermediate skill levels. Parking is available for visitors, and a typical dive lasts approximately 45 minutes.

The Leap in Kurnell is a wall and reef dive best suited for advanced divers. The site features a drift profile running from the surface to 24 metres, with an average depth of 18 metres. Divers typically enter from the shore and follow an incoming tide towards the exit point at The Steps. Conditions vary significantly, with visibility ranging from 3 to 30 metres and currents that can be strong. Hazards include surf, surge, boat traffic, and slippery entry points. A 5-7mm wetsuit is recommended year-round to manage water temperatures between 18C and 23C.

Henry Head is a boat-accessible reef and wall dive located 300 metres off La Perouse. The site features depths ranging from 12 to 27 metres, averaging 17 metres. Divers encounter a variety of marine life, including the eastern blue groper, green moray, and various seahorses and pipehorses. The topography consists of walls and reef structures covered in sponges and sea squirts. Conditions vary, with visibility between 3 and 25 metres and moderate currents. This site is suitable for beginners, though it requires careful planning around tides and nearby shipping traffic. It is best dived on an incoming tide, with drift diving common.

Cape Solander in Kurnell offers an exposed shore dive featuring a dramatic boulder field, rock walls, and caves. Divers can explore depths ranging from 4 to 27 metres, with an average depth of 18 metres. The site is suited for advanced divers only due to challenging shore entries from the rock platform, which require careful timing with the swell. Currents are moderate and can be managed as a drift dive on an incoming tide. Visibility varies significantly from 2 to 30 metres. Facilities at the site include parking, toilets, and showers. Due to the exposure, surge and rapid changes in conditions are common.

La Perouse Point offers a shore-accessible reef and kelp forest environment suitable for beginners. Divers typically explore depths between 5 and 18 metres, with an average depth of 10 metres. The topography features rocky ledges, swim-throughs, and small caves at the base of the island structure. Entry is from the shore, where divers should shuffle their feet to avoid sharp rocks. Conditions include mild currents and visibility ranging from 5 to 25 metres. Hazards include boat traffic, surge, and potential kelp entanglement. Divers should maintain good buoyancy control when navigating the island's structures. Parking is available at the site, and night diving is permitted.

Yena Extension is a reef and wall site located 1000 metres offshore from Kurnell. Designed for intermediate divers, the site features a wall structure that drops from 15 to 23 metres, with an average depth of 18 metres. Visibility is variable, ranging from 5 to 20 metres, and the site is typically free of strong currents. Access is strictly by boat, and divers must remain vigilant regarding overhead boat traffic. Hazards include potential entanglement from fishing lines and the presence of sharks, particularly when visibility is low. Divers are advised to perform thorough surface checks and deploy a delayed surface marker buoy upon ascent.

Container Wall in La Perouse offers a varied underwater landscape featuring a wall and a cave section. The site is suitable for intermediate divers, with depths ranging from 8 to 30 metres, though much of the area remains around 9 metres. Divers can access the site by boat or from the shore. Visibility is variable, ranging from 5 to 20 metres, and currents are generally mild. Due to the overhead environment within the cave, divers should possess strong buoyancy control and carry a torch. Be aware of potential entanglement hazards from fishing lines and debris, and shuffle your feet when entering to avoid disturbing stingrays.

The Tribars is a shore-entry wall dive in La Perouse, New South Wales, offering a drift dive experience along a structure with an average depth of 7 metres and a maximum of 12 metres. The site features a mild current and visibility ranging from 3 to 10 metres. Divers should navigate the shore break carefully to avoid sharp coral and rocks. Due to boat traffic in the area, the use of a surface marker buoy is essential. Facilities including parking, toilets, showers, and changing rooms are available. Species recorded around this area include Weedy Seadragons, Pygmy Pipehorses, Wobbegongs, and various seahorses.