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 ~60 Water Ocean/Bay Confidence High

Medium-sized marina with multiple piers packed with boats along an ocean/bay shoreline, surrounded by residential areas but no visible parking lot.

Aerial view of Spinnaker Bay Marina
Pacific Coast

Spinnaker Bay Marina

Seattle, WA

Spinnaker Bay Marina is nestled in Seattle, Washington, along the eastern shores of Puget Sound, a deep fjord-like inlet of the Pacific Ocean that offers protected waters amid the urban landscape of the Pacific Northwest. It serves recreational boating and sailing enthusiasts, providing access to the calm, island-dotted waters of Puget Sound for activities like day sailing and coastal cruising. This region, characterized by its mild maritime climate and proximity to the Cascade Mountains, enhances the appeal for boaters exploring the broader Pacific Coast area.

Location Seattle, King County, Washington
Capacity ~60 slips
Coordinates 47.5210, -122.2608

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.