Island County GISThe layer shows the current City Limits, Urban Growth Area (UGA) and Joint Planning Area (JPA) classifications for all of Island County, pursuit to ICC 17.03. This layer has been maintained with updates to the UGA during the comprehensive plan update. Layer is accurate to the parcel level.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/a71a9c108d2a4956a7c573910be1c1e1_0engIsland County Open Data PortalPublicUGA Boundaries [Washington (State)--Island County]Web servicesWashington (State)--Island CountyWashington (State)Last Modified: 2026-01-08