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 Ocean/Bay Confidence High

Medium-sized marina with extensive parallel dock structures along a bay shoreline, several buildings present, but no visible parking lot or vehicles.

Aerial view of Basin 3
Pacific Coast

Basin 3

Sausalito, CA

Basin 3 is a marina situated in Sausalito, California, along the northern edge of the San Francisco Bay, where the sheltered waters meet the rugged Pacific Coast, offering panoramic views of the Golden Gate Bridge and the Marin Headlands. This location in the bay provides protection from the open ocean's swells, making it well-suited for recreational sailing and boating activities. It serves boaters exploring the calm bay waters and nearby coastal areas of Northern California.

Location Sausalito, Marin County, California
Capacity ~80 slips
Coordinates 37.8709, -122.4975

Nearby Marinas in California

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.