Twin Peaks is a combined natural and artificial reef structure located on Saxon Reef. The site features two distinct peaks that create varied topography, dropping from the shallows to a maximum depth of 20 metres with an average of 14 metres. Divers should be prepared for moderate currents, particularly near the drop-off. Visibility typically ranges between 10 and 30 metres. Access is by boat only, and the site is suited for intermediate divers comfortable with buoyancy control. Guided tours are available to assist with navigation and site orientation. Divers must remain aware of significant depth changes and exercise caution around sharp coral.

Turtle Bommie is a reef pinnacle located off Port Douglas and Agincourt, rising from a depth of 15 metres toward a shallower reef flat. The site features a wall and drop-off, making it suitable for beginners. Divers experience mild currents and visibility ranging from 10 to 30 metres. The structure supports both hard and soft corals, though caution is required as the coral is sharp. Boat access is required for this site, which is situated 55 kilometres from the shore. Species recorded around this area include green sea turtles, blacktip reef sharks, wrasses, and various nudibranchs. Typical dives last 60 minutes, and night diving is permitted.

The Fringe Reef is a shallow reef site located off Port Douglas, Australia, with depths ranging from 1 to 4 metres. The site is best suited for intermediate divers due to variable visibility, which typically measures between 1 and 4 metres. Access is by boat, and the area is generally sheltered with mild currents. Divers should exercise caution regarding sharp coral and boat traffic near the entry point. Stinger suits are recommended to protect against jellyfish, particularly during the summer months. The site offers a shallow environment for those looking to practice buoyancy control in a protected marine setting.

Oak Beach is a shore entry reef site in Port Douglas & Agincourt, Queensland, suitable for beginners seeking shallow water experiences. Conditions at this location are variable, with visibility often influenced by wind and recent rainfall. Divers and snorkellers should exercise caution regarding potential rip currents and surf at the shore break. When entering the water, shuffle your feet to avoid sharp coral and rocks. Always verify local conditions for jellyfish and crocodile warnings before entering. Species recorded around this area include green sea turtles, wrasses, snails, sea cucumbers, sea squirts, chromis, and hard coral. Parking is available at the site.

Mackay Reef is a Great Barrier Reef site located 38 kilometres from the shore, accessible only by boat. The reef topography features shallow sections starting at 1 metre, sloping to a maximum depth of 30 metres with an average of 18 metres. Conditions are variable, with visibility ranging from 15 to 25 metres and currents that can shift from mild to strong. The site is suitable for beginners, though caution is required around sharp coral. Water temperatures fluctuate between 24C and 29C throughout the year. Local operators provide air fills, equipment rental, and guided tours. Divers and snorkellers should follow all boat crew briefings regarding site safety and local conditions.

China Wall is a vertical drop-off on Tongue Reef that descends from 25 to 40 metres. This deep dive site is accessible only by boat and is suited for intermediate divers. The wall features gorgonias, sea whips, and nudibranchs, with turtles and reef fish frequently observed. Divers experience mild currents, typically around 0.25 knots, allowing for a gentle drift along the reef face. Visibility ranges from 15 to 30 metres. Due to the depth, divers must monitor nitrogen narcosis and decompression limits closely. Stonefish are present on the reef, so avoid touching any surfaces. The site is remote, and immediate medical assistance is not available.

Undine Reef, located off the coast of Queensland, offers a varied underwater topography ranging from 5 to 30 metres, with an average depth of 15 metres. This site is accessible from the shore and is suitable for beginners, though conditions vary. Visibility typically spans 10 to 30 metres. Divers and snorkellers should be aware of mild currents that can change without warning, making it advisable to time activities around slack water. Hazards include jellyfish, cone snails, stonefish, sea urchins, and sharp coral. Always shuffle your feet when entering or exiting the water and exercise caution regarding hand and foot placement to avoid contact with hazardous marine life.

Blue Buoy is a reef site located at Tongue Reef, accessible only by boat. The site features depths ranging from 5 to 18 metres, with an average depth of 15 metres. Conditions are generally mild with visibility between 12 and 30 metres, making it suitable for beginner divers. Water temperatures remain warm throughout the year, ranging from 25C to 30C. Divers should be aware of potential hazards including boat traffic, sharp coral, and the presence of jellyfish, particularly between November and May when protective suits are recommended. Facilities available at the site include toilets, showers, equipment rental, and guided tours.