 The river is not developed, being used solely for recreation and as a port for landings of locally caught commercial fishes such as sheepshead, mullet, gag and red grouper, Spanish mackerel, white grunt, hogfish, stone crab, and blue crab.About of the river goes underground as a subterranean river near where U.S. Route 19 crosses the river.from the river's mouth is Steinhatchee Falls, where the river drops several feet.