Example image of eyePlorer eyePlorer map for 'San Pablo Island': Shoal St. Johns County, Florida Duval County, Florida Intracoastal Waterway St. Johns River Federal government of the United States Government of Florida Florida Guana River State Park Guana Tolomato Matanzas National Estuarine Research Reserve Hannah Park Jacksonville Beach, Florida National Oceanic and Atmospheric Administration Naval Station Mayport United States Navy Mayport Ferry Jacksonville Beaches Neptune Beach, Florida