The research was carried out in January 2024 at the coastal waters of Padang City, West Sumatera Province. The aim of this research is to determine the structure of the macrozoobenthos community as a bioindicator of water quality on the beaches of Padang City. In order to get the sample, purposis sampling is used, and then data was analized with FBI methods. (Family Biotic Index). The results o…