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 ~250 Water Ocean/Bay Est. Parking ~120 spaces Lot Size Medium (50–150) Lot Type Surface (Striped) Access Entry/Exit Lanes Confidence High

Large marina with extensive finger docks, multiple buildings including possible service facilities, and a medium-sized striped surface parking lot with visible vehicles adjacent to the waterfront.

Aerial view of Grand Marina
Pacific Coast

Grand Marina

Alameda, CA

Grand Marina is located in Alameda, California, on the eastern shore of San Francisco Bay, an expansive estuary that connects to the Pacific Ocean via the Golden Gate, providing a sheltered yet accessible setting for maritime activities. It serves recreational sailors and boaters exploring the calm, protected waters of the bay, which offer opportunities for both local day trips and ventures toward the broader Pacific Coast region. This area in the East Bay is influenced by the bay's microclimate, making it a popular spot for leisure boating amidst the urban landscape of the San Francisco metropolitan area.

Location Alameda, Alameda County, California
Capacity ~250 slips
Coordinates 37.7791, -122.2537

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.