Long Key is a small island located in the Florida Keys, part of the United States. It is situated between Duck Key and Conch Key and is known for its natural beauty and recreational opportunities. The island is primarily residential, with a mix of vacation homes and permanent residences. The area is popular for activities such as fishing, boating, and snorkeling, thanks to its proximity to the Florida Keys National Marine Sanctuary. Long Key State Park, located on the island, offers hiking trails and camping facilities, making it a great destination for nature enthusiasts.