Data provided in this data set were collected around the Flower Garden Banks National Marine Sanctuary (FGBNMS) as part of NOAA National Centers for Coastal Ocean Science (NCCOS)-led fish data collection missions for the ongoing National Coral Reef Monitoring Program (NCRMP). In 2013 and 2015, the Belt Transect method was used to collect and report information on fish species composition, density, size, abundance and derived metrics (e.g., species richness, diversity); surveys were concurrent with and along the same transect as the Line Point-Intercept (LPI) benthic survey. Starting in 2017, fish data were collected using the stationary point count method, which collects and reports information on fish species composition, density, size structure, abundance and derived metrics (e.g., species richness, diversity).