The Delaware River around Essington, Pennsylvania, is a major tidal estuary offering diverse inshore fishing opportunities within the Philadelphia metropolitan area. This section of the river is characterized by its wide, navigable channel, significant commercial and recreational boat traffic, and proximity to several marinas, islands, and backwater areas. The waters are brackish to fully saline, influenced by the Atlantic Ocean's tides, which govern fish movement and angling success. The area west of Little Tinicum Island and the adjacent creeks and marinas provide a mix of open-water and sheltered fishing environments.