The Coral Reefs in the Kingdom of Saudi Arabia are solid limestone rocks formed in layers with small tubular cavities inhabited by coral animals. They are spread across the territorial waters of the Kingdom in the Red Sea and the Arabian Gulf, covering an area of about 6,660 km² in the Kingdom. Their diversity is less in the Arabian Gulf due to the lack of suitable environmental conditions for coral growth. The Red Sea is considered one of the richest seas in the world in terms of diverse cora...
Saudi Islands are those located within the Kingdom's three waterfronts (the Red Sea, the Arabian Gulf, and the Gulf of Aqaba) with a total length of 3,800 km. They are different in terms of origin and composition. Most of them are coral in origin, while the others are either sandy, continental or volcanic. Number of islands in the Kingdom of Saudi Arabia The Kingdom has around 1,300 islands, 88.5 percent of which are located in the Red Sea and the Gulf of Aqaba (1,150 islands,) and 11.5 pe...