Washington / Lake Washington /
Stan Sayres Boat Ramp
Stan Sayres Boat Ramp is a public boat ramp on Lake Washington near Mercer Island, Washington.

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
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Website
- seattle.gov
- Coordinates
- 47.57102, -122.27672
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 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.
Conditions
- Weather forecast for this launch · National Weather Service
On Lake Washington
Lake in Washington. All launches on Lake Washington.
Community
Where people who use Lake Washington talk about it.
Nearby launches
- Adams Street Boat Ramp · 0.6 mi · Lake Washington
- Ferdinand Street Boat Launch · 1.2 mi · Andrews Bay
- Day Street Boat Ramp · 1.4 mi · Lake Washington
- Diagonal St South Pacific Access · 3.2 mi · Duwamish River
- 1st Avenue South Bridge Boat Launch · 3.3 mi · Duwamish River
- Atlantic City Boat Ramp · 3.4 mi · Lake Washington
Sources
- OpenStreetMap n3591069899 © OpenStreetMap contributors, ODbL
Why it is listed as public: www.seattle.gov: regardless of where you park your vehicle and trailer: Atlantic City (Rainier Beach), Don Armeni (Alki), Eddie Vine (Shilshole), Magnuson Park (Sand Point), Stan Sayres (Mount Baker).. Something wrong, or is this launch private? Send a correction; it goes to a person.