The SS Saint Paul is a deep wreck and wall site located 1000 metres off Flinders Reef. Resting at depths between 40 and 43 metres, the site features an overhead environment within the wreck structure. Divers should expect moderate currents and visibility ranging from 7 to 30 metres. Due to the significant depth and potential for nitrogen narcosis, this site is strictly for advanced divers. Boat access is required to reach the location. Divers must maintain precise buoyancy control and monitor air consumption closely throughout the dive. Conditions are most favourable between November and May.

The Cementco Wreck is a dedicated boat dive located at Flinders Reef, Australia. Resting at a depth of 25 metres, this artificial reef structure is suited for intermediate divers. The site features overhead environments that require careful planning and monitoring of nitrogen loading. Divers should be prepared for moderate currents and variable visibility. Species recorded around this area include various wrasses, nudibranchs, and anemonefish. Due to the depth and potential for overhead hazards, this site demands solid buoyancy control. Always check local conditions before departure, as visibility can fluctuate significantly. Boat traffic is a constant consideration at this location.

Alden's Cave at Flinders Reef provides an accessible cavern diving experience suitable for beginners. The site features a spacious swim-through cavern with multiple openings, situated at depths between 5 and 20 metres. Divers can expect visibility ranging from 7 to 16 metres. The eastern side of the reef is exposed to weather, which can generate surge and moderate currents. Access is by boat only, with a typical dive duration of 50 minutes. Divers should remain cautious of boat traffic on the surface and manage buoyancy carefully near the cavern walls. Water temperatures fluctuate between 21C and 27C throughout the year.

Flinders Reef is a boat-access site located 5000 metres from shore, offering depths between 8 and 15 metres. The topography consists of a reef structure supporting hard and soft corals. Conditions are generally mild, with visibility ranging from 10 to 20 metres and gentle currents. Divers should be aware of surf and surge when entering or exiting the water from the boat; holding the ladder and waiting for a lull is recommended. The site is suitable for beginners and supports night diving. Facilities including air fills, showers, and rinse stations are available nearby.

Gotham City is an advanced dive site located at Flinders Reef, featuring a complex topography of reef, wall, and cavern structures. Situated at depths between 22 and 38 metres, the site is exposed to strong currents, making boat access and guided tours essential. Divers frequently encounter wrasses, while uncommon sightings include spotted wobbegong, porcupinefish, Moorish idols, and various nudibranchs such as the Chromodoris and Varicose wart slug. Due to the significant depth and potential for strong currents, this site requires precise buoyancy control and careful air management. Conditions are most reliable between March and October, with visibility typically ranging from 15 to 30 metres.

Gotham City at Flinders Reef is a deep-water site featuring a dramatic pinnacle, wall, and drop-off. The topography ranges from 22 to 37 metres, with an average depth of 30 metres. Due to the open ocean location and strong currents, this site is reserved for advanced divers. Visibility typically fluctuates between 10 and 20 metres. Divers should plan for boat access and consider diving during slack tide to manage the current. Species recorded around this area include wrasses, nudibranchs, and various reef fish. The site is suitable for night diving, with typical dive times around 45 minutes.

Cherubs Cave at Flinders Reef is an advanced dive site defined by its overhead environment. The site features depths ranging from 14 to 30 metres, with an average of 25 metres. Divers must navigate moderate currents and surge, which can affect visibility, typically between 5 and 20 metres. Access is by boat only, and the site requires careful entry due to potential surf and boat traffic. A torch is essential for exploring the cave sections. Divers should maintain excellent buoyancy and remain aware of the overhead environment and sharp coral structures throughout the 45-minute dive.

Hendersons Rock is a reef and cave site located 4500 metres offshore at Flinders Reef. Divers can explore depths ranging from 12 to 24 metres, with an average depth of 22 metres. The site is suited for intermediate divers due to moderate currents, surge, and variable visibility. Entry is by boat only. Hazards include cold water, potential entanglement, and sharp coral. Divers should maintain high situational awareness when navigating the cave sections. Typical dives last approximately 45 minutes. Water temperatures fluctuate between 20C and 27C throughout the year, necessitating appropriate thermal protection during cooler months.