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 River Confidence High

Large marina with extensive docks packed with boats, multiple buildings including sheds, but no visible parking lot or vehicles.

Aerial view of Jensen Marina
Pacific Coast

Jensen Marina

Seattle, WA

Jensen Marina is located on the south shore of Lake Union in Seattle, Washington, a vibrant city nestled along the Pacific Coast in the Pacific Northwest region of the United States. This marina serves recreational boating and sailing activities on the freshwater lake, which is connected to Puget Sound via the Lake Washington Ship Canal, allowing access to broader coastal waters. Its urban setting provides boaters with easy proximity to Seattle's downtown area and surrounding natural landscapes.

Location Seattle, King County, Washington
Capacity ~80 slips
Coordinates 47.6503, -122.3138

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.