Mangroves are very productive wetlands and can live in areas that are still influenced by tides. This research was conducted in November-December 2023 in the mangrove ecosystem of Sapat Village, Kuala Indragiri District, Indragiri Hilir Regency, Riau Province. The purpose of this study was to determine the structure of mangrove vegetation communities in Sapat Village. The method used in this st…