The Florida Keys National Marine Sanctuary is a protected area located off the southern coast of Florida. Established in 1990, it covers approximately 2,900 square nautical miles and includes coral reefs, seagrass beds, and mangroves. The sanctuary aims to preserve the unique marine ecosystems and biodiversity found in the Florida Keys. Visitors to the sanctuary can enjoy various activities such as snorkeling, diving, and boating. The area is home to numerous species of fish, sea turtles, and marine mammals, making it a popular destination for nature enthusiasts. Conservation efforts are in place to protect these vital habitats and promote sustainable use.