Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~80 Water Lake Est. Parking ~120 spaces Lot Size Medium (50–150) Lot Type Surface (Striped) Confidence High

Well-maintained marina with multiple piers accommodating numerous boats, surrounded by ample striped surface parking lots with visible vehicles, integrated into an urban area with adjacent buildings.

Aerial view of Boat Street Marina
Pacific Coast

Boat Street Marina

Seattle, WA

Boat Street Marina is located in Seattle, Washington, on the eastern shore of Lake Union, an urban freshwater lake in the Pacific Northwest that connects to Puget Sound and ultimately the Pacific Ocean via the Ballard Locks. This marina serves recreational boaters and sailors, offering access to the calm, protected waters of Lake Union for activities like day sailing and exploration of the surrounding inland waterways. Its position in the vibrant University District makes it a popular spot for local boating enthusiasts in the greater Seattle region.

Location Seattle, King County, Washington
Capacity ~80 slips
Coordinates 47.6510, -122.3143

Nearby Marinas in Washington

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.