Arsenicker Key, northwest of Islandia in Miami-Dade County, is an uninhabited, protected island closed to the public, renowned for its untouched natural environment. Despite restrictions, the surrounding waters are popular for boating and fishing, offering great opportunities to catch snook, tarpon, redfish, and snapper. Wildlife enthusiasts can enjoy birdwatching from boats, observing migratory and native bird species thriving in the lush mangrove habitat. Although land access is prohibited, the key’s pristine beauty and abundant marine life continue to attract visitors seeking peaceful, natural experiences from the water.