Lake Washington Ship Canal
River in Washington · 288 acres · near Seattle

The Lake Washington Ship Canal is a 288-acre river near Seattle in Washington, with 1 public boat ramp and 1 carry-in launch listed here.
Washington State Department of Ecology lists this water as likely to contain New Zealand mudsnails; extra decontamination is advised when leaving it. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
Washington State Department of Ecology · checked October 20, 2026
Boating rules
- No-discharge zone: WAC 173-228 bans vessel sewage discharges, whether treated or not, in the No Discharge Zone. It became effective May 10, 2018. · all of Lake Washington Ship Canal rule
From the boating rules map of Washington Department of Ecology, read October 20, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Boat launches on the Lake Washington Ship Canal
- 14th Avenue Northwest Boat Ramp · Boat ramp · near Seattle
- 28th Ave NW Shoreline Street End · Carry-in (canoe and kayak) · near Seattle
Community
Where people who fish, boat and paddle Lake Washington Ship Canal talk about it. Lake associations, clubs and local groups will be added as we find them.