The Great Barrier Reef is located in the Coral Sea, off the coast of Australia, stretching over 2,300 kilometers along the Queensland coastline. It is the largest coral reef system in the world, containing over 2,900 individual reefs and 900 islands. The Great Barrier Reef is a UNESCO World Heritage Site and is home to an extraordinarily diverse range of marine life, including more than 1,500 species of fish, 600 types of coral, and six of the world's seven species of marine turtle. It is a popular tourist destination and a critical economic resource for the region.