Standard Mapping® - Florida Keys Premium microSD™/SD™ Card Statewide coastal aerial overlay provides high-resolution imagery, local names of waterways and land features plus outlined Wildlife Management Areas and Offshore Lease Areas. Offshore Field Lease BlocksIdentifies offshore field lease blocks outlined in red with white labels. Recommended RoutesYellow lines identify a highway system through the marsh, created by Standard Mapping. Wildlife Management AreasOutlines these areas in green.