The community structure of coral reefs research was conducted on August 2008 at territorial water Sempit Island, Semak Daun Island, and Gosong Layar Island Archipelago of Seribu, DKI Jakarta Province. The aim of this research was to analyze the community structure of coral reef and abundance of Coral reefs at Sempit Island[ Semak Daun Island, and Gosong Layar Island that included percentage cov…