Fort Sheridan is a historic former United States Army post located in Lake County, Illinois, near the city of Highwood. It occupies a peninsula along Lake Michigan and is known for its beautiful natural surroundings. Originally established in 1887 as a training and supply center for the Army, Fort Sheridan played a significant role in various military operations throughout its existence. The post was decommissioned in 1993, and the majority of the land was transferred to the local communities. Today, Fort Sheridan is a residential community with a mix of historic houses and newer developments. The area offers scenic views, hiking trails, and recreational opportunities, attracting both residents and visitors. It is also home to the Illinois Beach State Park, which features a beach, dunes, and marshes for outdoor enthusiasts to enjoy.