Sand Island is an island in

Grays Harbor Grays Harbor is an estuarine bay located north of the mouth of the Columbia River, on the southwest Pacific coast of Washington state, in the United States of America. It is a ria, which formed at the end of the last ice age, when sea levels flood ...

, in the U.S. state of

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

. The entire island is occupied by Sand Island Natural Area Preserve, a protected area under the State Department of Natural Resources'

Washington Natural Areas Program The Washington Natural Areas Program, part of the Washington Department of Natural Resources, manages dozens of natural areas owned by the U.S. state of Washington. These areas have received funding through the state's general fund since the Washi ...

. The small sandy island is seasonally overtopped by the salt waters of the harbor.

References

Uninhabited islands of Washington (state) Landforms of Grays Harbor County, Washington Washington Natural Areas Program {{GraysHarborCountyWA-geo-stub