About Mariner Square Drystack & Marina
Mariner Square Marina Mariner Square is the first marina in Alameda as you enter the Oakland/Alameda Estuary and is comprised of approximately 50 wet slips that range in size from 40 feet to 150 feet in length. With a mixture of recreational and live-aboards, the marina is a small community of boaters that enjoys our convenient location. Amenities Complimentary Parking Restrooms, Showers and Laundry on site Free Wifi Restaurant on premises Electrical hookup at each slip – 30 and 50 amp Water hookup at each slip Individual, lockable dock boxes Pumpout dock

Servizi
COORDINATES
37.79126 N, -122.27828 E
Port Information
Telefono
Berth Sizes
10-20m, 20m+
Profondità alla Bassa Marea Media
2 - 3m
Manovrabilità
Good
Channel Marking
Excellent
Overseas Visitor Berths
Yes
Ormeggi per Catamarani
Yes
Tipo di Molo
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
21 April 2026
- SW 3–9 knots.
- 12°C
- Chance of showers
Tue
9AM - 1PM
21 April 2026
- SW 4–10 knots.
- 12 to 14°C
- Calm sea
- UV Index: 5 - Moderate
- Chance of showers
Tue
1PM - 5PM
21 April 2026
- SW 8–11 knots. Gusts up to 17 knots.
- 13°C
- Calm sea
- UV Index: 2 - Low
- Chance of showers