Aldens Cave - Flinders Reef

Aldens Cave at Flinders Reef is a premier advanced dive site off Moreton Island in Southeast Queensland. Descending to 20 meters, this spectacular site features a dramatic swim-through cave system within the reef structure. The cave walls are encrusted with vibrant sponges and soft corals, while grey nurse sharks are frequently spotted in and around the cave entrances. Flinders Reef is Queensland's southernmost coral reef, creating a unique blend of tropical and temperate species.