Washington / Lake Washington /
SE 40th Boat Launch
SE 40th Boat Launch is a free public boat ramp on Lake Washington near Beaux Arts Village, Washington.
- Free
- Paved ramp

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
Harmful algal blooms reported on Lake Washington 550 m from this launch (state reports compiled by U.S. EPA): 2021.
state reports compiled by U.S. EPA · 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
- Fee
- Free
- Ramp surface
- concrete
- Website
- bellevuewa.gov
- Coordinates
- 47.57492, -122.18893
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
- Sweyolocken Boat Launch · 0.5 mi · Mercer Slough
- Mercer Island Boat Launch · 0.6 mi · Lake Washington
- Burrows Landing · 1.9 mi · Lake Washington
- Ferdinand Street Boat Launch · 3.6 mi · Andrews Bay
- Adams Street Boat Ramp · 3.7 mi · Lake Washington
- Stan Sayres Boat Ramp · 4.1 mi · Lake Washington
Sources
- OpenStreetMap n53199476 © OpenStreetMap contributors, ODbL
Why it is listed as public: bellevuewa.gov: Fees can be paid on a daily basis at the boat launch, or an annual permit may be purchased.. Something wrong, or is this launch private? Send a correction; it goes to a person.