Quarantine Station at North Head is a sheltered shore dive featuring a mix of reef and artificial reef structures. With depths ranging from 3 to 11 metres and an average of 5 metres, it is well-suited for beginners. The site offers mild currents and generally calm conditions, though visibility is variable, typically between 5 and 10 metres. Divers should remain aware of boat traffic within Sydney Harbour, particularly when surfacing. Facilities at the site include parking, toilets, showers, a cafe, air fills, and equipment rental. Night diving is possible at this location, with typical dive times around 60 minutes.

Little Manly Cove at North Head is a sheltered shore dive suitable for beginners. The site features a mix of reef, seagrass beds, and kelp forest, with depths ranging from 3 to 14 metres. Divers frequently encounter spotted wobbegongs, giant cuttlefish, and eastern blue groper. Other species recorded include pot-bellied seahorses, grey nurse sharks, green sea turtles, and various rays. Conditions are generally mild due to the protected harbour location, though visibility is variable between 5 and 10 metres. Divers should remain aware of boat traffic and potential entanglement in kelp or discarded fishing gear. Facilities including parking, toilets, and showers are available on site.

Harrys Hill Beach at North Head offers a shore entry point featuring a combination of seagrass beds and reef habitats. This site is suitable for beginners, though conditions vary significantly. Divers and snorkellers must remain aware of moderate tidal currents, potential rip currents, and frequent boat traffic in the river. Visibility can be affected by swell and runoff, so it is best visited during calm weather. The area is unpatrolled, and a nearby swimming net presents an entanglement risk. Due to strong currents, swimming across the river to the beach is not recommended.

Flag Staff at North Head is a shore-entry reef site suitable for beginners. Divers can explore depths ranging from 5 to 12 metres, with an average depth of 8 metres. The site features mild currents and typical dive times of 40 minutes. Visibility is highly variable and can be limited, requiring divers to stay close to their buddy and maintain awareness of their surroundings. Due to the potential for low visibility, a slow and patient approach is recommended. When entering and exiting the water, shuffle your feet to avoid disturbing the seabed. Always check local conditions and weather forecasts before planning a dive, as settled weather generally improves visibility.

Centurion is a wreck dive located 300 metres off North Head, Sydney. The site sits at a depth of 16 to 18 metres, with an average depth of 17 metres. Access is by boat only, and the site is suitable for beginners. Conditions vary significantly, with visibility ranging from 1 to 30 metres and mild currents. Divers should be aware of boat traffic due to the proximity of the Manly ferry route, as well as potential surge and reduced visibility following rain. The wreck presents an overhead environment, and divers should exercise caution regarding entanglement. Guided tours are recommended to navigate the variable conditions effectively.

Old Man's Hat is a reef and cave site located 300 metres off North Head. Divers can explore depths between 14 and 25 metres, with an average depth of 19 metres. The site features a cave structure and is accessible only by boat. Currents are generally moderate, ranging from 1 to 3 knots, and the site can be dived as a drift. Visibility typically spans 10 to 25 metres. Marine life includes common sightings of Giant Cuttlefish, Spotted Wobbegong, Eastern Blue Groper, and various wrasses. Divers may also encounter Weedy Seadragons, Port Jackson sharks, and Blue Devilfish. Due to high boat traffic, the use of a surface marker buoy is essential.

Fairy Bower Beach is a shore dive located in Manly, situated between Manly Beach and Shelly Beach within the Cabbage Tree Bay Aquatic Reserve. The site features a rocky reef system, kelp forests, and seagrass beds at depths of 2 to 10 metres, averaging 6 metres. It is generally sheltered from strong currents and swells, though surge can occur near the rocks. Entry is via stairs and a rock pool. The site is suitable for beginners, with visibility ranging from 3 to 20 metres. Facilities include toilets, showers, changing rooms, and a nearby cafe. Divers should be aware of boat traffic, sea urchins, and surge.

Shelly Beach in Manly is a protected shore dive and snorkel site featuring a rocky reef that ranges from 2 to 14 metres in depth. The site is well-suited for beginners due to its mild currents and straightforward navigation. Divers and snorkellers can access the water via a concrete boat ramp, avoiding the need to cross sand. Visibility typically fluctuates between 3 and 20 metres. On-site facilities include parking, toilets, showers, and a cafe. The site is also suitable for night diving, with an average dive time of 50 minutes. Water temperatures range from 18C to 24C, though conditions can feel cool during rainy periods.