The Saint Johns River Entrance marks the dynamic transition where Florida's longest river meets the Atlantic Ocean near Jacksonville. This tidal river mouth and its adjacent coastal approaches create a rich and diverse saltwater fishery, heavily influenced by tidal currents, shifting sandbars, and the mixing of freshwater and saltwater. The area serves as a major navigational channel for the Port of Jacksonville, meaning anglers share the waters with substantial commercial and recreational vessel traffic. Fishing here focuses on inshore and nearshore saltwater species that utilize the river mouth, jetties, and surrounding ocean waters for feeding and migration.