Payung island is an island located in the Musi Estuary and is located in the middle of the Musi River Estuary flow and is a mangrove ecosystem area. Benthic diatoms are diatoms that live on the surface of sediment or in the basic substrate (waters) of porewater. The purpose of this study is to analyze the composition, abundance and structure of benthic diatom communities. This research was cond…