The National Oceanic Atmospheric Administration (NOAA), National Marine Fisheries Service (NMFS), Southeast Fisheries Science Center (SEFSC) in Miami, FL requires a charter vessel to complete the biannual Reef Fish Visual Census in the Dry Tortugas National Park (DRTO) area. This park is located approximately 70 miles northwest of Key West, FL. The period of performance is July 8, 2018 - July 25, 2018.