Seal Rocks in New South Wales offers a diverse underwater landscape featuring reefs, pinnacles, caverns, and walls. Depths range from 9 to 40 metres, with an average of 16 metres. The site is exposed to the East Australian Current, which can be strong, making it suitable for intermediate divers. Visibility varies significantly from 5 to 30 metres depending on conditions. Entry is possible via shore or boat, though the site is located 3000 metres from the shore. Divers should be aware of potential hazards including strong currents, deep water, overhead environments, and boat traffic. Using a surface marker buoy is recommended for all dives.

The Cavern at Big Seal Rock is an advanced dive site featuring a dramatic wall that drops from 12 metres to a cavern entrance at 30 metres. This overhead environment requires technical proficiency, including solid buoyancy control and experience with deep and drift diving. The site is exposed to the East Australian Current, which can create strong currents and surge. Visibility varies significantly, ranging from 0 to 30 metres. Due to the depth, overhead sections, and potential for strong currents, this site is suited for experienced divers. A surface marker buoy is mandatory due to heavy boat traffic in the area, and a torch is essential for exploring the cavern interior.

Edith Breakers is a reef site located 1000 metres offshore from Seal Rocks, New South Wales. This site features a complex topography of reef and caves, with depths ranging from 10 to 36 metres and an average depth of 25 metres. Due to the presence of caves and strong currents that can exceed 3 knots, this site is suited for intermediate divers. Boat access is required, and a surface marker buoy is essential for safe ascents due to active boat traffic. Divers should time their entry around slack water to manage the variable currents. Visibility at the site typically ranges between 10 and 30 metres.

Seal Rocks in New South Wales offers shallow water access suitable for beginners, with depths ranging from 1 to 10 metres and an average of 2 metres. Snorkellers can access the site from both shore and boat. Visibility typically ranges between 15 and 30 metres, though conditions vary. Hazards include potential shark encounters and rip currents that can develop quickly near the entry point. When entering from the shore, shuffle your feet to avoid startling stingrays. Facilities available at the site include parking, toilets, showers, and a cafe. January and February provide the most settled conditions for visiting.

Boat Beach is a shore-entry reef site in New South Wales, offering shallow depths between 1 and 5 metres. It is suitable for beginners, though divers and snorkellers must exercise caution regarding a channel open to the ocean that is subject to strong currents. Visibility at the site ranges from 5 to 25 metres. Water temperatures fluctuate between 19C and 25C, with the swimming season extending from October to June. Hazards include jellyfish, sharp coral, and stonefish. Parking is available at the site, and typical dives last approximately 45 minutes. Always check current conditions before entering the water, as they can strengthen rapidly.

Number One Beach in New South Wales offers a shallow reef environment with depths ranging from 1 to 10 metres. This shore entry site is suited for intermediate snorkellers and divers. Marine life recorded here includes the spotted wobbegong, grey nurse shark, green sea turtle, eagle ray, Port Jackson shark, common Sydney octopus, fiddler ray, eastern blue groper, common stingray, sea stars, and various snails. A moderate current exists, particularly between the headland and Statis Rock during outgoing tides. Snorkelling is recommended on an incoming tide. Hazards include boat traffic and strong currents. Parking is available at the site, and visibility is generally better during the warmer months from October to June.

Seal Rocks in New South Wales offers a complex environment combining reef, wreck, and drift diving. Located 3000 metres offshore, this site requires boat entry due to surf conditions. Divers encounter depths between 10 and 30 metres with visibility ranging from 4 to 10 metres. Strong currents are common, necessitating careful planning and the use of a reef hook. The site features an overhead wreck environment requiring caution. Marine life frequently observed includes Green Sea Turtles, Spotted Wobbegongs, Grey Nurse Sharks, Fiddler Rays, Port Jackson Sharks, and Eagle Rays. Eastern Blue Gropers, Blind Sharks, Cownose Rays, Common Sydney Octopuses, Common Stingrays, Striped Eel Catfish, Starry Puffers, and various wrasses are also recorded here.

The SS Catterthun is a 19th-century passenger steamship resting at depths between 55 and 60 metres off New South Wales. This technical dive site features both a wreck and an adjacent wall, requiring mandatory decompression stops. The site is exposed to the open ocean and is subject to strong currents that can exceed 3 knots. Visibility is highly variable, ranging from 3 to 35 metres. Due to the depth and current, this site is suitable only for experienced technical divers. Species recorded around this area include Grey Nurse Sharks, Port Jackson Sharks, and Eastern Blue Gropers. Divers must use a boat for access and carry surface marker buoys.