Bligh Reef is a remote wall site located 60 kilometres from the Queensland coast. The reef structure drops steeply, with depths ranging from 25 to 60 metres and an average depth of 45 metres. Due to the significant depth and potential for strong currents, this site is suitable only for advanced divers. Access is exclusively by boat. Visibility typically ranges between 20 and 50 metres, and water temperatures remain between 25 and 28C. Divers should be aware of hazards including sharks and stonefish, and the remote nature of the location requires thorough planning and self-sufficiency. Facilities available include air fills, equipment rental, guided tours, and boat charters.

Rainbow Wall is a deep, open-ocean wall reef located in the Far Northern Outer Reefs. The structure drops through 25 to 30 metres, offering visibility between 24 and 50 metres. The wall is covered in soft corals and gorgonian fans. Due to the depth and potential for strong, unpredictable currents, this site is reserved for advanced divers. Boat access is required, and divers should time their entry to coincide with slack water. Water temperatures remain warm throughout the year, ranging from 25C to 29C. Hazards include deep water, strong currents, and the presence of jellyfish during the wet season.

Chilli Beach in Lockhart River offers a shallow reef environment with depths ranging from 2 to 15 metres, averaging 8 metres. Accessible via shore entry, the site is located 500 metres from the coastline. Conditions include mild currents and visibility between 10 and 20 metres. Water temperatures fluctuate between 25C and 29C throughout the year. Species recorded around this area include crabs and snails. Entering the water is extremely hazardous due to the presence of saltwater crocodiles, rip currents, sharks, sharp coral, and stonefish. Dangerous marine stingers, including Box Jellyfish and Irukandji, are also present, particularly during warmer months. Swimming and snorkelling are not recommended.

Derry Reef in Queensland, Australia, is a boat-accessible reef site offering depths ranging from the surface down to 18 metres. This site is well-suited for beginners, who can explore the shallower sections before moving into deeper water. Divers encounter mild currents, making the site manageable for those building experience. Visibility at the reef is variable, so conditions can change from day to day. The reef structure supports a variety of hard and soft corals. While diving here, you may encounter sea turtles, tropical fish, and reef sharks, which are commonly observed in the area.

Portland Roads is a sheltered bay near Lockhart River that serves as a protected anchorage. This shore dive offers a shallow reef environment with depths ranging from 1 to 5 metres, averaging 2 metres. Conditions are generally relaxed with mild currents and visibility varying between 5 and 30 metres. The site is suitable for beginners. Facilities available at the location include a cafe and toilets. Divers and snorkellers should be aware of the presence of crocodiles in the area and exercise caution regarding box jellyfish, which pose a significant risk between November and May.