Frederick Reef is in the Coral Sea Islands, over 220 nautical miles (410 km) northeast of Gladstone, Queensland. The reef was named in 1812 by Captain Joseph Savigny of Frederick, who first reported sighting the reef.
Satellite View of Saumarez reefs (center) and the Swains reef (Left part of the Great Barrier Reef) and Frederick Reefs (right)
Satellite View of Frederick Reefs
Chart of Frederick Reefs
The Coral Sea Islands Territory is an external territory of Australia which comprises a group of small and mostly uninhabited tropical islands and reefs in the Coral Sea, north-east of Queensland, Australia. The only inhabited island is Willis Island. The territory covers 780,000 km2 (301,160 sq mi), most of which is ocean, extending east and south from the outer edge of the Great Barrier Reef and includes Heralds Beacon Island, Osprey Reef, the Willis Group and fifteen other reef/island groups. Cato Island is the highest point in the Territory.
Acropora coral garden with giant clam. Raging Horn, Coral Sea Islands
A pair of Grey Reef Sharks (Carcharhinus amblyrhynchos) and divers in blue water. North Horn, Coral Sea Islands
Beacon erected on Mellish Reef in the Coral Sea in 1859
A male Bicolor Parrotfish is at home on North Horn, Osprey Reef