Airboat. airboat is a mixture of airplane and boat with the thrills of both. it’s a boat powered by an airplane-type propeller with above-the-water rudders that is. Knowing how to build an airboat requires much research. airboats can be fun to enjoy on the water and those who need a reliable boat for fishing or other water. Interested in airboat rides in florida? alligator cove tours does gator tours and florida swamp tours on airboats. call or visit our website today!.