Address: 9801 S Avenue G Zipcode: 60617 Phone Number: 312 747 6039 With 198 acres, this park occupies the turn in Lake Michigan where Illinois meets Indiana. The border between the states is marked with a monument. In addition to a beach, the park offers major league-size baseball fields, Little League and softball fields, soccer fields, football fields, tennis courts, horshoe pits and a jogging track. The field house comprises a woodshop and upholstery; gymnastics, basketball and bocce facilities; and the Lakeshore Model Railroad.