The backcountry contains many small to fairly large mangrove islands keeping the delicate ecosystem of the important thing West shallows and flats in its hands. The term backcountry is a geographical term that means the out islands and flats that make up the inshore waters of the Florida Keys and Key West. All of these areas are lying in the Superb White Heron National Animals Refuge. These federally guarded waters are a sport fisherman’s paradise. Holding some of the most popular sport fish in the world.