t is 7,450 square kilometres (2,880 sq mi) in size, including 4,770 square kilometres (1,840 sq mi) of land and 2,100 square kilometres (810 sq mi) of marine space. The coastal area features coral reefs with 450 species of coral and over 1200 species of fish. Approximately 17% of the marine life is native to the Red Sea. It also includes five islands, including Wadi El Gamal Island.These islands are a breeding ground for 13 bird species, and local sea grasses are important sources of food for the endangered dugong and green turtle.