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.

Southern Small Detached Reef is a technical diving destination in the Far Northern Outer Reefs, characterised by a dramatic wall that drops from 3 metres to 100 metres. The site features shallow reef tops leading to a sheer vertical face. Visibility ranges from 10 to 40 metres, requiring careful depth management to avoid drifting deeper than planned. Currents are generally mild, though they can strengthen near the wall. Access is by boat only, and the site is suited to intermediate divers with strong buoyancy control and awareness. Divers should monitor air supply and ascent rates closely due to the significant depth profile.

Catcher's Mitt is a reef site in Queensland, Australia, suited to intermediate divers capable of managing strong currents. The topography ranges from shallow areas at 2 metres to deeper sections at 25 metres. Visibility varies significantly, ranging from 10 to 50 metres depending on conditions. Access is by boat only, and divers should plan for drift dives using a surface marker buoy. The site features both hard and soft corals. Due to the strong current, timing dives around slack water is recommended to assist with navigation and maintain visibility. Divers should exercise caution around sharp coral edges and be aware of sharks in the area.

Tijou Reef is an offshore wall and reef site in Queensland, Australia, defined by its strong currents. The topography features a wall dropping to depths of 25 to 30 metres. Due to the significant current, this site is reserved for advanced divers with high fitness levels and experience in challenging conditions. Visibility typically ranges from 10 to 30 metres. Boat access is required to reach this location, which sits 100 kilometres from the shore. Divers should be prepared for strong currents and the presence of sharks, particularly at the northern tip of the reef. Typical dive times are approximately 60 minutes, and night diving is permitted.

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.