Martha Lake (South)
Martha Lake (referred to as “Martha South”) is located just east of Interstate 5 between Lynnwood and Mill Creek. The lake is 61.6 acres in size and has a maximum depth of 48 feet. Martha Lake’s watershed, or the land area that drains to the lake, covers 437.7 acres and is largely developed.
- Boating (No gasoline-powered motors)
- Wetland Boardwalk
- Picnic Shelters
Fishing InformationThe Washington Department of Fish and Wildlife (WDFW) maintains informational pages for each lake in Washington that include: fish stocking schedules, fishing prospect calendars, and boat launch information.
Martha Lake (South) does not have a formal lake association. However, you may be able to connect with other lake area residents by looking for a Martha Lake (South) community group on NextDoor or Facebook.
Connect with Your Lake Community
Lake Health and Additional ResourcesAs part of Snohomish County's Lake Management Program, County staff and volunteer lake monitors have been tracking the health of Martha Lake (South) since 1990.
|Health Report Card
|In Depth Health Report
MapsView maps of Martha Lake (South) and the surrounding area, including the location of public access sites.
Depth contours of the lake
Depth contours of the lake with satellite images