Sand Key is a coral reef located within the Florida Keys National Marine Sanctuary. It lies to the southwest of Key West, within the Key West National Wildlife Refuge. This reef is within a Sanctuary Preservation Area (SPA). The Sand Key Light was built on the key. The reef lies to the south of the light. See also Rock Key Eastern Dry Rocks External links Benthic Habitat Map References NOAA National Marine Sanctuary Maps, Florida Keys West NOAA Webpage on Sand Key NOAA Navigational Chart 11446 Coral reefs of the Florida Keys