Harbor Size: 701 square miles; 448,640 acres. 365 miles of canals; 190 miles of saltwater and 175 miles of freshwater. Charlotte Harbor, is formed by the blending of saltwater from the Gulf of Mexico with freshwater from the Peace and Myakka rivers. Tarpon, snook, redfish, trout, barracuda, cobia and grouper are some of the many species fished for. Charlotte Harbor & the Gulf Islands includes the areas of Boca Grande, Don Pedro Island, El Jobean, Englewood-Cape Haze, Little Gasparilla Island, Manasota Key, Palm Island, Placida, Port Charlotte and Punta Gorda.