Winter Island Marine Park is located on the former site of Air Station Salem Coast Guard Base. It's a marine recreational park open to the public. The park takes up the southern portion of the peninsula. The main attractions of the park are the historic Fort Pickering, the Fort Pickering Lighthouse, Salem Harbor, a boat launching ramp, and the former Coast Guard seaplane hangar and barracks. Fort Pickering is listed separately on the National Register of Historic Places.