Vlasis Park is Ballwin's largest park. It is located North of Manchester Road between Seven Trails Dr., Ball Park Drive, and Holloway Road. The Ballwin Government Center, Public Works Department, and the Donald “Red” Loehr Police Building are located in Vlasis Park. Vlasis Park covers 31 acres and features a baseball diamond, a playground, four tennis courts, restrooms, two ponds (one of which is stocked with fish), two pavilions, a walking path, and a sand volleyball court.