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Philadelphia Navy Yard

Historic Site

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The Philadelphia Navy Yard was located on the former League Island on the Delaware River near the mouth of the Schuylkill River. Founded in 1762, it was here that the Continental Navy and Marines were formed in 1775 and here that frigate United States, the first American warship launched under the naval provisions of the Constitution, was built1. The Philadelphia Naval Shipyard was an important naval shipyard of the United States for almost two centuries. Philadelphia's original navy yard, begun in 1776 on Front Street and Federal Street in what is now the Pennsport section of the city, was the first naval shipyard of the United States. It was replaced by a new, much larger yard developed around facilities begun in 1871 on League Island, at the confluence of the Delaware and Schuylkill rivers.

The former Philadelphia Naval Shipyard and Station have been redeveloped as a mixed-use, waterfront business campus with over 175 companies and more than 7.5 million square feet of office, industrial, manufacturing, and research and development space. The Navy Yard is considered the most successful redevelopment of a former military facility in the country. Future growth will support up to 10 million square feet of commercial and residential development.

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Contact Information
Philadelphia Industrial Development
4747 South Broad St.
Philadelphia PA 19112