Big Pine Key is an island located in the Florida Keys, part of Monroe County. It is known for its natural beauty, featuring lush landscapes and a variety of wildlife. The island is home to the endangered Key Deer, a small deer species that is unique to the area. The island offers various outdoor activities, including fishing, boating, and snorkeling. Big Pine Key is also close to the National Key Deer Refuge, which protects the local ecosystem. Visitors can enjoy the serene environment and explore the nearby Florida Keys National Marine Sanctuary.