Where is the largest living reef system located?

The largest living reef system in the world is the Great Barrier Reef, located off the coast of Queensland, Australia. Spanning more than 2,300 kilometers (1,430 miles), it is made up of over 2,900 individual reefs and 900 islands. The reef is a UNESCO World Heritage site and supports an incredible diversity of marine life, including various species of fish, coral, and sea turtles. It is also an important source of livelihood for many communities, supporting industries like tourism and fishing.