Public access ramp and parking. Lake Osborne is a 356-acre water body located in Palm Beach County. Aquatic vegetation consists of cattail, spikerush, willow and hydrilla. Nine fish attractors have been installed in the lake and are marked with buoys. Fish present in Lake Osborne include largemouth bass, sunshine bass, black crappie, bluegill, redear sunfish, catfish, and Mayan cichlids. More information can be found here: http://myfwc.com/fishing/freshwater/sites-forecast/s/osborne-chain-of-lakes/.