Cook Island is a marine reserve located 600 metres off the coast of Tweed Heads, Australia. This site features a series of reefs, walls, and caverns ranging from 3 to 20 metres in depth. Divers and snorkellers can encounter various marine life, including the spotted wobbegong, green sea turtle, and chromodoris nudibranch. Other species recorded at the site include the zebra shark, grey nurse shark, and eastern blue groper. Access is strictly by boat, and the site is suitable for beginners. Conditions generally feature mild currents and visibility between 10 and 20 metres, though the Tweed River bar crossing requires caution due to variable conditions and boat traffic.

Tweed River at Cook Island offers a varied underwater environment featuring reef, wall, and muck diving elements. This shore-entry site is a drift dive with depths ranging from 5 to 13 metres, averaging 8 metres. Due to the moderate current, it is best dived at slack high tide. The site is suitable for beginners, though divers must remain vigilant of boat traffic in this busy channel and use a dive flag. Visibility typically fluctuates between 3 and 10 metres. Divers should exercise caution regarding the substrate to avoid contact with stonefish and wobbegong sharks.

Kirra Reef is a shallow site located 400 metres from the shore, featuring a combination of reef structure and seagrass beds. Divers and snorkellers can expect depths between 4 and 8 metres, with an average of 5 metres. Access is possible by boat or from the shore, though shore entries require navigating surf and potential rip currents. Visibility is variable, ranging from 5 to 15 metres, and the site is occasionally affected by sand coverage from local operations. Due to the challenging entry conditions and shifting currents, this site is best suited for intermediate divers. Always check local conditions before planning a dive.

Elephant Rock at Palm Beach Reef is a challenging shore dive suited for intermediate divers. The site features reef topography with sharp coral formations and depths ranging from 2 to 30 metres. Divers must navigate moderate currents and potential surge, as the area is exposed to open ocean conditions and significant swells. Visibility typically fluctuates between 10 and 25 metres. Entry requires careful observation of surf conditions and tidal movement to ensure a safe transition. Facilities at the site include parking, toilets, and showers. Due to the exposed nature of the location and variable currents, this site is best suited for those with strong buoyancy control and experience in dynamic coastal environments.

Palm Beach Reef is a boat-accessible site located 900 metres off the coast of Palm Beach, Australia. This combination of natural and artificial reef features depths ranging from 5 to 25 metres, with an average depth of 15 metres. Conditions are generally manageable, with mild currents and visibility typically between 6 and 24 metres. The site is suitable for beginners, though divers must remain aware of boat traffic on the surface. Typical dive times are around 60 minutes. Divers should note that visibility can be reduced from March to May, and a thorough safety stop is recommended before surfacing due to local boat activity.

Tallebudgera Creek at Palm Beach Reef offers a shallow shore entry with depths ranging from 1 to 10 metres. This site is suitable for beginners, though it requires careful planning due to the tidally influenced current. Divers and snorkellers should enter during slack high tide to avoid the strong water movement through the creek channel. Hazards include recreational boat traffic, potential entanglement from discarded fishing lines on bridge pylons, and rip currents. Visibility varies significantly between 1 and 10 metres. Facilities at the site include parking, toilets, showers, and a rinse station. Typical dives last approximately 45 minutes.

Palm Beach Reef at Burleigh Heads is a shore-accessible reef site featuring depths ranging from 1 to 10 metres, with an average depth of 4 metres. The site offers visibility between 7 and 16 metres. Due to the potential for strong rip currents and surf, this location is suited for intermediate snorkellers. It is strongly recommended to snorkel only during the last 1 to 2 hours of an incoming high tide to ensure safety and optimal visibility. Facilities including parking, toilets, showers, and changing rooms are available on site. Always assess surf conditions before entering the water and avoid boat traffic zones.

Narrowneck Reef is an artificial reef located 100 metres off the Gold Coast. This shallow site ranges from 1 to 10 metres in depth, providing an accessible environment for beginners. Entry is via the shore, though users should be aware of surf, rip currents, and strong currents in the area. As the reef is a popular surfing location, maintain awareness of surfers at all times. Visibility typically fluctuates between 4 and 7 metres. Facilities including parking, toilets, and showers are available nearby. To avoid boat traffic and ensure better conditions, early morning visits are recommended.