Marathon has many of the best vacation rentals on the Florida Keys. Beside its new concrete counterpart, the old Seven Mile Bridge juts into the sea like a giant pier, inviting walkers and nature lovers to enjoy one of Florida’s most scenic and historic vistas. The blue-green panorama of the Gulf of Mexico and Atlantic Ocean, dotted with lobster traps and sailboats, is a welcome view for all travelers arriving on Marathon. Today, Marathon island offers some of the best fishing and sport diving anywhere in the world. Find the perfect vacation home in Marathon.