Grapeview is a census-designated place in Mason County, Washington, United States. The population was 991 at the 2020 census. It was part of the former Allyn-Grapeview CDP that was broken up into Allyn and Grapeview in 2010. Grapeview is connected to State Route 3 via Grapeview Loop Road. Grapeview is home to a small Puget Sound Maritime Museum, and the Fair Harbor Marina.