Fort Jay

Fort Jay is the oldest surviving defensive fortification on Governors Island in New York Harbor and is named after John Jay, the former governor and chief justice. The history of the site goes back to the American Revolution, when General Israel Putnam had the first earthworks built in 1776 to protect the harbor. These batteries played a decisive role by keeping British ships from entering the East River, which allowed George Washington's troops to retreat to Manhattan. After the end of the British occupation, the works fell into disrepair until New York State began rebuilding them in 1794. The fort was designed as a square structure with four corner bastions and was transferred to the federal government in 1800 for one dollar.

In 1806, Major Jonathan Williams replaced the earthworks with massive walls of sandstone and granite, along with an arrow-shaped ravelin surrounded by a dry moat and a sloping grassy area that served as a glacis. This expansion was part of the so-called Second System of US seacoast fortifications. From 1806 to 1904, the fort was known as Fort Columbus, before Elihu Root renamed it Fort Jay in 1904. During the 19th century, the fort served as an important military post and training ground for young officers, including future generals such as Ulysses S. Grant and Robert E. Lee. During the Civil War, Confederate prisoners were held here, and the fort later served as headquarters for major Army commands.

Today, Fort Jay is managed by the National Park Service as part of Governors Island National Monument. You can tour the historic fortress, which is considered one of the best-preserved examples of the second generation of American coastal fortifications. The fort is open seasonally and offers an insight into the city's military history, while the surrounding buildings, which once served as barracks, are now partly used as housing. The fort sits on the highest point of the island and therefore offers sweeping views over the harbor, underscoring its strategic importance in earlier times.