Free pontoon boat plans. well look what we have cooking here: free plans to make your own pontoon boat! length: 12′ (3.7 m). Updated: june 8, 2017. new video of the recently completed "aqua sport cruiser" added. plans now available at duckworks boat builders supply, click below.. Begin your search for wooden boat plans here! thousands of builders have assembled chesapeake light craft boats from scratch with these plans..