The document discusses the Coral Sea off the coast of Queensland, Australia. It notes that the Coral Sea was the site of an important World War 2 battle and is home to the Great Barrier Reef, one of the most famous coral reefs in the world. The Great Barrier Reef contains over 400 species of coral, 500 types of seaweed, and 150 fish species, spans over 344,400 square kilometers, and depths ranging from 30 to 2,000 meters. Swimmers should be cautious of man-eating sharks and other dangerous sea animals that inhabit the area.