Clallam Bay is an unincorporated community and census-designated place in Clallam County, Washington, United States, at the mouth of the Clallam River into Clallam Bay. Known for its natural environment and hunting, Clallam Bay is partially reliant on tourism. Clallam Bay is considered the twin city of nearby Sekiu. As of the 2010 census, the population of Clallam Bay was 363.