Located in the Coral Sea, off the coast of Queensland, Australia. The great barrier reef is the world s largest individual formation created by living organisms. As the largest coral reef in the world, the Great Barrier Reef includes over 900 islands, over 2,900 separate reefs, and supports one of the most diverse ecosystems in the world. It is possible one of the grandest natural wonders in the world. It is the only wonder of nature that may be visible recognized from outer space.