Atlantic City Boat Launch-Seward Park

Atlantic City Boat Launch (Seward Park)
Located on Lake Washington along Seward Park Avenue, the Atlantic City Boat Launch is the southernmost public boat ramp in Seattle. Managed by Seattle Parks and Recreation, it provides fast and efficient access to southern Lake Washington for all types of watercraft.
Launch & Park Features
- 4 Launch Lanes: Features four wide concrete launch ramps serviced by two courtesy boarding docks.
- South Lake Access: Ideal entry point for exploring the southern waters of Lake Washington and nearby Mercer Island.
- Dedicated Parking: Vehicle and boat trailer parking lot located conveniently adjacent to the launch ramps.
- Park City Integration: Close proximity to Seward Park’s trails, green space, and shoreline amenities.
Fee & Permit Information
A daily launch permit is required to use the launch facilities. For current permit guidelines and city updates, visit the official Seattle Parks Atlantic City Boat Ramp page.
| Permit Type | Price | Details |
|---|---|---|
| Single-Day Launch Permit | $12.00 / day | Covers daily watercraft launching and parking access. Pay on-site. |
Pro-Tip: Because of its high capacity with 4 wide ramps and 2 docks, traffic moves quickly here—making it one of the most efficient launch points on Lake Washington during busy summer days.
Location & Map
Location: 8702 Seward Park Ave S, Seattle, WA 98118