King CountyFor more information about this layer please see the GIS Data Catalog . SMP Environment DesignationsArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/4018153659984480a1c5ab108572a7f6_489engPublicShoreline Master Program (SMP) Environment Designations / smp designations area [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2025-11-21