Snorkeling at the The Great Barrier Reef Image by Jorge Lascar The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for 2,600 kilometres (1,600 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi). The reef is located in the Coral Sea, off the coast of Queensland in … [Read more...] about Snorkeling at the The Great Barrier Reef