Cod Grounds is a deep reef located 5500 metres off the Mid North Coast of Australia. This site consists of rocky outcrops and ledges situated at depths between 21 and 46 metres, with an average depth of 40 metres. Access is by boat only. Due to the significant depth, this site is suitable for advanced divers who must manage nitrogen narcosis and decompression limits. Visibility typically ranges from 10 to 30 metres, and currents are generally mild. Divers must adhere to the New South Wales Code of Conduct regarding interactions with marine life. Proper exposure protection is recommended to account for water temperatures between 19C and 23C.

Leah Lumps is a wall and reef dive located off the Mid North Coast of Australia. The site features a significant drop-off, with depths ranging from 30 to 42 metres. Due to the depth, this site is intended for advanced divers who can manage bottom time and the risk of nitrogen narcosis. Visibility typically fluctuates between 10 and 30 metres, and the site experiences mild currents of less than one knot. Access is strictly by boat. Divers should coordinate with local operators to confirm charter availability and current conditions before planning a trip.

Old Faithful is a boat-accessed wall and reef dive site located off the coast of New South Wales. The site features a wall that descends to a maximum depth of 25 metres, with shallower sections between 10 and 15 metres suitable for beginners. Divers typically experience visibility ranging from 5 to 10 metres. The site is generally calm with no significant current, making it a comfortable location for those building underwater confidence. Species recorded around this area include common Sydney octopus, crab, bream, sea star, and various snails. Divers should check locally for boat charter availability before planning a trip to this site.

Diamond Head on the Mid North Coast of Australia is a shore-entry reef site suitable for beginners. The area features shallow waters, though conditions vary significantly with the swell. Divers and snorkellers should monitor surf conditions before entry, as even mild swell can affect visibility and make the shore transition difficult. The site is best enjoyed during calm seas, and snorkelling is recommended at low tide. Facilities at the location include parking, toilets, and showers, providing a convenient base. Be aware of potential hazards including rip currents, strong currents, and the presence of sharks. Avoid touching or disturbing marine life, particularly blue-ringed octopuses which may be found in rock pools.

Cathie Wall is a reef dive site located off Port Macquarie, Australia. Suitable for beginners, the site features depths ranging from 8 to 20 metres. Divers can explore the shallower reef sections before descending to deeper areas. Conditions are generally calm with minimal current, which assists with buoyancy control and observation. Visibility at the site typically ranges between 10 and 30 metres. Access to this reef requires a boat. The most reliable conditions for diving occur during the summer months from January to March, when water temperatures reach up to 25C.

Mermaid Reef is an offshore reef and kelp forest located off the Mid North Coast of New South Wales. The site features topography ranging from shallow sections to depths of 30 metres, with an average depth of 9 metres. Access is strictly by boat, and the site is exposed to the open ocean. Divers should be prepared for moderate to strong currents and potential boat traffic. Visibility varies significantly, ranging from 7 to 30 metres depending on conditions. While suitable for beginners, the site requires careful planning around currents and slack tide due to its exposed nature.

Yabbies is a boat-access reef located off Port Macquarie, Australia. The site features a depth range of 12 to 33 metres, with an average depth of 24 metres. Conditions are generally mild, with visibility ranging from 10 to 30 metres. Due to the significant depth, this site is suitable for beginners only if they remain in the shallower sections of the reef. Divers must monitor their depth gauges closely and perform slow ascents to manage decompression risks. Boat access is required to reach this location, and divers should confirm local conditions and operator details before planning their trip.

The Wall in Port Macquarie is a boat-access dive site featuring a vertical drop that descends from the surface to approximately 22 metres. The site is characterised by a wall topography where divers can explore depths ranging from 8 to 22 metres. Conditions are generally mild, though visibility varies significantly from 0 to 30 metres. While the site is accessible to beginners, the presence of a deep section reaching 21 metres or more requires an advanced certification for those wishing to explore the lower reaches. Divers should remain mindful of their depth to avoid drifting deeper than intended during the dive.