Hutchinson Island Real Estate  Known for beautiful beaches, nature preserves and parks, Hutchinson Island consists of two barrier islands on the coast of Martin, St. Lucie, and Indian River counties, Florida. The two islands are separated by the Fort Pierce Inlet and are known as North Hutchinson Island and South Hutchinson Island. Hutchinson Island is not just a beach lover's paradise. It's also a chosen nesting destination for some of the ocean's most endangered sea turtles, whales manatee, and other Beautiful Florida wildlife.