Mercer Island Boat Launch
3600 East Mercer Way
Located on the east end of Aubrey Davis Park, the Mercer Island Boat Launch provides public access to Lake Washington for a fee.
Park Amenities
- Parking
- Restrooms
Boat Launch Parking Passes
-
To use the Boat Launch, users must purchase a daily, monthly, or annual pass via the ParkMobile app.
- Users will be prompted to create an account or continue as a guest. Use Location Code: 91235 and select the preferred timeframe.
- Refunds for daily, monthly, and annual passes will not be issued for situations where the parking lot is full or available spaces do not accommodate user vehicle.
- For questions, comments, or customer service for parking passes, please contact ParkMobile at 1-877-727-5457 or visit its online Customer Service.
| Pass Options | Price | Notes |
| Daily Pass | $17.00 | Good for day use (5:00am - 10:30pm) |
| Monthly Pass | $55.00 | Good for 30 days (from day of purchase) |
| Annual Pass | $125.00 | Good for 365 days (from day of purchase) |
Boat Launch Parking Rules
- Parking Hours: 5am to 10:30pm, 7 days a week.
- Park in designated areas only.
- No overnight parking.
- No trailer-only parking allowed.
- No boat moorage at dock.
- Overflow parking is no longer available at City Hall's parking lot.

