Fernandina Beach, United States offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Fernandina Beach is known for its historic district, Amelia Island, and the annual Isle of Eight Flags Shrimp Festival. The best time to travel to Fernandina Beach is from March to May, with average air temperatures ranging from 65°F to 80°F and water temperatures around 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!