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 ~150 Water Ocean/Bay Confidence High

Large marina with numerous slips occupied by boats and multiple surrounding buildings, but no visible parking lot or vehicles.

Aerial view of McGinnis Marina
Pacific Coast

McGinnis Marina

Seattle, WA

McGinnis Marina is located on Lake Union in Seattle, Washington, a freshwater lake nestled in the urban core of the city along the Pacific Northwest coast, offering stunning views of the surrounding mountains and downtown skyline. It serves recreational boating and sailing activities, catering to enthusiasts who navigate the calm waters of Lake Union and its connections to the broader Puget Sound region. This setting provides access to the diverse maritime environment of the Pacific Coast, including opportunities for exploring nearby islands and waterways.

Location Seattle, King County, Washington
Capacity ~150 slips
Coordinates 47.6674, -122.3924

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.