Harbour

Mariner Square Drystack & Marina

Alameda, United StatesSan Francisco Bay
Type
Harbour

First marina you reach entering the Oakland-Alameda estuary, with around 50 wet berths from 12 to 45 metres plus a dry-stack facility.

Guide

Approach and anchoring

Enter from San Francisco Bay through the estuary, keeping the channel buoys to starboard. The marina sits on the south bank just past the entrance, before the Park Street bridge. No tidal lock. Park Street bridge upstream opens on request for taller rigs.

Practical

Wet berths take boats from 12 to 45 metres. Dry-stack storage for trailerable craft up to about 9 metres, launched on demand by forklift. Office on 2415 Mariner Square Drive. Mix of recreational and live-aboard berth-holders.

Ashore

Mariner Square shopping centre on the doorstep with chandlery, restaurants and a supermarket within 400 m. Jack London Square across the estuary by water taxi or a 2 km drive over the Webster tube. Downtown Oakland is five minutes by car.

Key facts

Type
Harbour
Coordinates
37.79159, -122.27811 (37°47.50'N 122°16.69'W)
Town
Alameda
Country
United States
Updated
July 7, 2026

Getting there

Mariner Square Drystack & Marina lies at 37°47.50'N 122°16.69'W, that is 37.79159, -122.27811 in decimal degrees.

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