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.

St Crispin Reef is a large reef system located off the coast of Queensland, offering a wide depth range from 6 metres in the shallows to 30 metres in deeper sections. Access is exclusively by boat, with guided tours available to assist beginners. Visibility varies significantly, ranging from 8 to 40 metres depending on conditions. Divers should be aware of moderate currents and exercise caution regarding sea urchins and marine life interactions. The reef supports a variety of reef fish and invertebrates, including nudibranchs, feather stars, sea cucumbers, and giant clams. Reef sharks are present but typically shy, and moray eels may be found within reef crevices.

Coral Bay is a shallow reef site located off Port Douglas and Agincourt, Australia, offering depths between 1 and 5 metres. This site is suitable for beginners and accessible only by boat. Visibility typically ranges from 10 to 30 metres, though conditions vary. The area features coral heads interspersed with sandy patches. Divers and snorkellers should be aware of marine stingers, including Box Jellyfish and Irukandji, particularly during the stinger season from November to May. Protective stinger suits are recommended during this period. The site is also home to sharp coral, and visitors should remain cautious of boat traffic.

East Hope Island at St Crispin Reef offers a combination of wall and drift diving suitable for beginners. The site features a shallow reef starting at 5 metres that extends to a drop-off reaching 25 metres. Visibility varies between 10 and 35 metres, with moderate currents present. Access is strictly by boat, and guided tours are recommended due to potential current changes near the point. Species recorded around this area include Napoleon Wrasse, Ornate Ghostpipefish, Regal Angelfish, Titan Triggerfish, Broadclub Cuttlefish, Giant Moray, Giant Clam, Whitetip Reef Shark, Day Octopus, Harlequin Sweetlips, Indian Lionfish, various wrasses, Sixbanded Angelfish, and Sling-jaw Wrasse. Stinger season occurs from November to May, and protective suits are recommended.

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.

Anybody's is located on the outer edge of Agincourt Reef, featuring a wall that drops from 5 metres to 30 metres. This site is suited to intermediate divers due to moderate currents that can strengthen without warning. Boat access is required, and dives typically last 50 minutes. Visibility ranges from 10 to 30 metres. Divers should plan around slack tide to manage currents and remain close to guides for navigation. The site is exposed to open water, where pelagic activity is common. Always use a safety sausage when surfacing due to boat traffic in the area.

Big Buoy at Agincourt Reef is a boat-only site featuring a reef wall and pinnacles that descend from 5 to 40 metres. The site is known for its moderate currents, which facilitate drift dives along the structure. Divers should maintain solid buoyancy control to manage the flow, as conditions can become challenging on certain tidal cycles. Visibility typically ranges from 10 to 35 metres. Due to the presence of boat traffic, surface awareness is essential. The site is suitable for intermediate divers, with the wall and pinnacles offering varied profiles. Titan Triggerfish may be aggressive during their breeding season, and divers should remain cautious of sharp coral and deep sections.

Tokyo Drift at Agincourt Reef is a boat-accessible site featuring a dramatic wall and reef pinnacles. Divers typically start in the shallows at 5 metres before descending along the wall, which reaches depths of 50 metres with an average of 16 metres. The site is suitable for beginners, offering a controlled environment to practice drift diving techniques in moderate currents. Visibility ranges from 10 to 30 metres. Species recorded around this area include Napoleon Wrasse, Titan Triggerfish, and various wrasses. Stinger suits are recommended between November and May due to seasonal jellyfish. Reef sharks are present in deeper sections, and boat charters provide full facilities including equipment rental and guided tours.