Islamorada, United States offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Islamorada is known for the Theater of the Sea, a marine mammal park where visitors can interact with dolphins and sea lions. The best time to travel to Islamorada is from December to April, with average air temperatures around 75-85°F and water temperatures ranging from 72-78°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!