The Earth's largest coral reef is the Great Barrier Reef. It is located in the Coral Sea, off the coast of Queensland, Australia. This vast reef system stretches over 2,300 kilometers (1,430 miles) and covers an area of approximately 344,400 square kilometers (133,000 square miles). The Great Barrier Reef is renowned for its biodiversity, including a wide array of corals, fish, mollusks, and other marine life, and is a UNESCO World Heritage Site.
