Wilson Pontoons, Inc. pontoons are constructed out of medium density polyethylene (MDPE). Wilson pontoons are ideal for salt water because they won’t rust or corrode. They’re excellent replacements for old steel or aluminum pontoons. Wilson pontoons are used for pontoon boats, houseboats, barges, bridges, workboats and platforms, party boats, pumping stations – they’re perfect for any application that uses pontoons. Features include: