This research was conducted in October 2016 in the waters of Bintan Strait of Desa Pengujan of Bintan Regency of Kepulauan Riau Province. The purpose of this study was to determine the level of seagrass density, macrozoobenthic abundance and seagrass density relation to macrozoobenthic abundance in waters of Bintan Strait of Desa Pengujan. This research uses survey method and location of observ…