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.

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.

Inscription Point in Kurnell is a versatile shore dive featuring a reef system, kelp forests, and wall topography. Depths range from 4 to 25 metres, with an average of 8 metres. Divers frequently encounter Weedy Seadragons, Pygmy Pipehorses, and Pot-bellied Seahorses. Port Jackson sharks are common, particularly between July and September. The site is suitable for beginners, though access requires navigating a significant number of stairs and an uneven rock platform. While the site is protected from southerly swells, divers must remain vigilant regarding boat traffic and potential surge. Visibility varies between 3 and 20 metres, and mild currents allow for drift diving on incoming tides.

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.

By-Pass Reef is a deep-water site located 1000 metres off La Perouse. The reef structure reaches depths of 20 to 30 metres, with an average depth of 26 metres. Divers encounter sponge gardens across the reef, alongside wobbegong, Port Jackson, and nurse sharks resting on the bottom. Eastern blue groper, nudibranchs, and Australian giant cuttlefish are also present. Conditions vary, with visibility ranging from 5 to 20 metres and moderate currents that can strengthen significantly. This site requires boat access and is suited for advanced divers who can manage buoyancy and tidal cycles. Aim for slack water to mitigate current strength during the typical 30-minute dive.

The Cutting at Farkernell is a challenging shore dive in Kurnell, Australia, featuring a complex topography of walls, caves, and reef structures. Divers can expect depths ranging from 24 to 29 metres. This site is strictly for advanced divers due to a difficult entry and exit point, potential for swell along the cliffs, and a long surface swim. Visibility varies between 10 and 30 metres, with currents that can intensify near cave sections. Divers should exercise caution regarding entanglement hazards and maintain precise buoyancy control. Parking is available at the site, and carrying a torch is recommended for exploring the cave features.

Tabbagai Gap in Kurnell features a combination of natural reef and artificial structures at depths between 18 and 24 metres. Divers encounter sponge gardens that provide habitat for various marine life, including wobbegong and Port Jackson sharks. Other species recorded here include weedy seadragons, eastern blue groper, blue devilfish, and Australian giant cuttlefish. Nudibranchs such as the splendid goniobranch and Bennett's hypselodoris are also present. This site is suited to advanced divers due to variable currents and visibility ranging from 10 to 30 metres. A boat is required for access, and divers should assess conditions carefully before entry, as surf can be a hazard.

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.