Catamaran builder Brian Hall is too young to remember when ferries plied the route between Florida and Cuba in the 1950s, but he has plans to be among the first to revive the once-popular route.

Can a thrifty traveler afford this “end-of-the-road” Florida hot spot? Getting around on a rented bike and staying in a four-person dorm room helps. By Elaine Glusac Elaine Glusac is the Frugal ...