Duck Key is a small island located in the Florida Keys, specifically in Monroe County. It is part of the Florida Keys National Marine Sanctuary and is known for its beautiful waters and tropical climate. The island is primarily residential, featuring a mix of vacation homes and year-round residences. The area offers various recreational activities, including boating, fishing, and snorkeling. Duck Key is also home to the Hawks Cay Resort, which provides amenities such as pools, restaurants, and a spa. The island's serene environment makes it a popular destination for those seeking relaxation and outdoor adventures.