Official app of the original Mustard's Last Stand in Melbourne, Florida. Mustard's is a Chicago style hot dog stand serving Vienna Beef products as well as other specialities. We have a welcoming patio surrounded by plants and music, and dogs are welcome there, too or you can eat inside our eclectic stand . We have walk-in and drive-thru service, or delivery service. Grab the app for specials, rewards, ordering and more!