Osprey Reef Osprey Reef Osprey Reef is a submerged atoll in the Coral Sea, northeast of Queensland, Australia. It is part of the Northwestern Group of the Coral Sea Islands. Osprey Reef is roughly oval in shape, measuring , and covers around . It has a perimeter of . The central lagoon is only deep. The reef sits atop a seamount in deep water. It is an isolated location some from other reefs. The almost vertical reef walls, which rise from a depth of about , are home to a dwarf form of "Nautilus pompilius" that is isolated from other nautilus populations
Coral Sea Reserves Ramsar Site Geographic Society of Queensland which visited the Herald Cays and their surrounding reef in 1997. The site was designated as a wetland of international importance under the Ramsar Convention on Wetlands. It was listed on 21 October 2002 as Ramsar Site 1222. The site is centred on the Coral Sea Plateau, about 440 km east of Cairns, Queensland, and east of the Great Barrier Reef, from which it is separated by an area of deep water known as the Queensland Trough. Lihou Reef NNR lies to the south-east of the Coringa-Herald NNR and is separated from it by about 100