Tavernier Key, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Tavernier Key is known for its proximity to the Florida Keys National Marine Sanctuary and the Coral Reef State Park. The best time to travel to Tavernier Key, United States, is from December to April, with average air temperatures around 75°F (24°C) and water temperatures near 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!