- Martha Lake Airport Park is a county park located in Martha Lake, Snohomish County, Washington. It was originally a private-use airport known as the Martha Lake Airport that was closed in the late 1990s and sold to the county in 2000. The 28.76-acre (11.64 ha) park was opened in 2010 and features athletic fields for soccer and softball and a skate park. A large glacial erratic on the property, one of several in the county, is used for bouldering (rock climbing).
- Martha Lake, Washington (Wikipedia)
Martha Lake is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 21,129 at the 2020 census. It lies west of Mill Creek and northeast of Lynnwood, near the lake of the same name.