Craving a sun-soaked seaside vacation? Look no further than Florida. Specifically, a pea-sized mangrove-filled island smack dab in the center of a delicately curved chain of islands jutting off Florida’s southern tip called Duck Key. As part of the hallowed paradise of the Florida Keys, this island is a great alternative for travelers looking to explore the breathtaking marine environment without the crowds of more popular Keys, like Key West...