The Largest Coral Reefs in the World
02/12/2019 · The World's Largest Coral Reefs . The following is a list of the world's nine largest coral reefs in order of size. As many barrier reefs are long ovals, most coral reefs are measured by length. The three last or smallest reefs from this list are measured by area due to their unusual shapes. 01. of 09. Great Barrier Reef . Length: 1,553 miles (2,500 km) Loion: .