Riverwalk Boats What could be more romantic than a private cruise on beautiful Lake Michigan? We launch seasonally from Pere Marquette Park on Old World Third Street and Kilbourn Avenue in downtown Milwaukee. For a unique spin to elevate your special occasions, consider our large private cruises for small wedding ceremonies, rehearsal dinners, We offer private cruises for up 48 guests. Our guests can choose a self captained pontoon or a large captained cruise. Renters for either option are invited to bring all thier own food & beverage of choice.