Pontoons are a type of floating device used to support boats, docks, and other watercraft. However, there are numerous other words that might be used to describe these important tools. Some of the most common synonyms for pontoons include floats, buoys, rafts, barges, and booms. Each of these terms can be used in a variety of contexts, depending on the specific needs of the situation. For example, a dock might be supported by a system of buoys or floats, while a larger ship might require the use of a barge or boom to stay afloat. Regardless of the word used, pontoons play a vital role in the marine industry and are essential for a range of commercial and recreational activities.