- Boundary Bay is a shallow bay situated on the Pacific coast of North America on the Canada–United States border between the Canadian province of British Columbia and the U.S. state of Washington.
- Boulevard Park, Washington (Wikipedia)
Boulevard Park is a census-designated place (CDP) in King County, Washington, United States. The population was 5,287 at the 2010 census. Boulevard Park was part of the Riverton-Boulevard Park CDP in 2000 but was split for the 2010 census into its own CDP.