Centered around Chester it ranges into Marcus Hook to the south and Eddystone to the north.

It is located on the west bank of Delaware River in Chester, Eddystone and Ridley Park.

[2] In the "project of 1885" the U.S. government undertook systematically the formation of a 26-foot (7.9 m) shipping channel 600 feet (180 m) wide from Philadelphia to deep water in Delaware Bay.

The River and Harbor Act of 1899 provided for a 30-foot (9.1 m) channel 600 feet (180 m) wide from Philadelphia to the deep water of the bay.

Rail service to the port is within Conrail's South Jersey/Philadelphia Shared Assets Area, based at Pavonia Yard over Delair Bridge, the most downstream railroad bridge, crossing the Delaware at Pennsauken, New Jersey.