About Nordland, Washington
Marrowstone is a census-designated place (CDP) in Jefferson County, Washington, USA. The population was 837 at the 2000 census. All Marrowstone addresses are in Nordland, Washington, and the ZIP code for Marrowstone Island is 98358.Marrowstone takes its name from Marrowstone Point, the northernmost point on Marrowstone Island. It was given the name "Marrow-Stone Point" in 1792 by the British explorer George Vancouver, descriptive of the hard, claylike soil.