Used Dune Buggies For Sale Buy Sell Used Dune Buggy Classifieds By owner Boatboss.com. Dune Buggies were designed for navigating desert or beaches (hence use of the word "dune" or "beach"). However, dune buggies have become more diversified in terms of the terrain they can handle and are being built for more generic off road tasks, such as CORR / SCORE indoor track racing. Some are even built for and used as on-road vehicles. Typically the function is determined before the buggy is created in order to maximize the comfort or abilities of the vehicle.