The Bimini Islands consists of North Rock, North and South Bimini, Holme Cay, Gun Cay, North and South Cat Cay, Ocean Cay and the southern most South Riding Rock. Orange Cay is a small, low sandy cay, covered with low vegetation and uninhabited, about 17 miles further south as the southern end of the Bimini Cays. The highest point rises to 4 meters. On the southern end stands a radar-tower and a light.