The Wedge is a boat-accessible reef site located on Tongue Reef, featuring a gentle wall that descends from 5 to 30 metres. The topography consists of branching corals and sand patches, making it suitable for beginners to practice drift diving in mild currents. Visibility typically ranges from 12 to 30 metres. Divers should be aware of potential hazards including boat traffic, deep sections, and the presence of jellyfish during the summer stinger season. Protective suits are recommended during the wet season from November to April. The site is accessible via boat charter and guided tours from Port Douglas.

Bashful Bommie is an isolated coral pinnacle located on Tongue Reef, offering a varied underwater environment for beginners. The site features depths between 5 and 18 metres with visibility ranging from 12 to 30 metres. Divers and snorkellers can encounter Harlequin Sweetlips, wrasses, rock cod, Pacific Sailfin Tang, Bird Wrasse, elongate clams, Red Bass, groupers, Blackback Anemonefish, Eastern Triangular Butterflyfish, Freckled Hawkfish, Sixband Parrotfish, Dot and Dash Butterflyfish, and Humbug Dascyllus. Access is by boat only, and the site is suitable for drift diving. Be aware of potential hazards including strong currents, boat traffic, sharp coral, and seasonal venomous marine life. Wearing a full-body lycra suit is recommended for protection.

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.

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.

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.

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.

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.

Castle Rock is a ribbon reef site located on the outer edge of Agincourt Reef. The topography features a reef structure that descends from the shallows to a depth of 25 metres, incorporating pinnacles, walls, and drop-offs. Access is exclusively by boat, with visibility typically ranging between 15 and 30 metres. While the site is suitable for beginners in shallower sections, divers must remain aware of potential strong currents and vertical currents near wall sections. Water temperatures fluctuate between 25C and 29C throughout the year. Protective suits are recommended during stinger season, which runs from November to May.