Lake Michigan is officially open for business with the Progressive Insurance Chicago In-Water Boat Show kicking off summer, June 13-16 June 11, 2013 What better way to spend Father’s Day weekend than experiencing the fun of boating? If you missed the Progressive Insurance Chicago In-Water Boat Show last year, don’t miss out this year! Chicago’s premier boating event returns to the new, state-of-the-art marina 31st Street Harbor, June 13-16, with hundreds of the newest boats and marine accessories for sale, on-water activities, education and daily entertainment.