Lake Sammamish State Park Boat Launch

Lake Sammamish State Park Boat Launch
Access the sparkling waters of King County’s premier recreational destination at the Lake Sammamish State Park Boat Launch. Located at the south end of the lake in Issaquah, Washington, this high-capacity facility serves as the primary public launch on Lake Sammamish. It is specifically engineered to handle heavy traffic and large motorized vessels, providing the ultimate gateway for waterskiing, wakeboarding, smallmouth bass fishing, and summer cruising.
Live Ramp Webcam
Check real-time ramp traffic conditions, water levels, and parking lot availability before leaving home:
Launch Site Features & Park Amenities
As one of the largest and most well-maintained facilities in the Washington State Parks system, the site features professional-grade amenities designed for smooth launches:
- 9 Concrete Launch Lanes: Multiple wide concrete ramps drastically reduce wait times during peak summer weekends.
- Premier Boarding Docks: High-quality finger docks allow for stable, easy boarding and temporary vessel staging.
- Invasive Species Wash Station: On-site boat cleaning area helps prevent the spread of aquatic invasive species.
- 250 Dedicated Trailer Stalls: Expansive paved parking lot specifically designed for large truck and boat trailer combinations.
- Modern Restroom Facilities: Clean, ADA-accessible restrooms located right next to the staging area.
- Spacious Prep & Tie-Down Zones: Designated lanes to secure gear, straps, and drain plugs before and after launching.
2026 Permit & Fee Information
Launching at Lake Sammamish State Park requires a valid combination of state parking passes and watercraft launch permits. Fees can be paid at the automated pay kiosks (accepting cash or card) located near the ramp.
| Permit Option | Price | Details |
|---|---|---|
| Natural Investment Permit | $120.00 / year | Covers both annual parking and watercraft launch fees at all Washington State Parks. |
| Annual Discover Pass + Launch Fee | $45.00 + $7.00 / day | Annual vehicle pass plus a daily $7 watercraft launch permit. |
| Daily Discover Pass + Launch Fee | $10.00 + $7.00 / day | Single-day vehicle pass plus a daily $7 watercraft launch permit. |
Location, Hours & Directions
- Address: 4455 E Lake Sammamish Pkwy SE, Issaquah, WA 98029
- Operating Hours: 6:30 AM – Dusk (Open year-round)
- Managing Agency: Washington State Parks
Exploring other freshwater lakes in King County? Browse our complete index of Washington State Boat Launches to find public ramps, seasonal rules, and facility details nearby.