- Only a tiny bit of the island is located in Pacific County, Washington.
- Sand Island (Clatsop County, Oregon) (Wikipedia)
Sand Island is an island in Baker Bay in the mouth of the Columbia River, located in Clatsop County, Oregon. It is situated north of Fort Stevens State Park and the Clatsop Spit, east of Cape Disappointment, and just south of Ilwaco, Washington. Sand Island is also the northernmost point in the state of Oregon.