Facilities include Svendsen's boatyard, chandlery, boat hoists, launch ramp. Home to Island Yacht Club.

Access: The last marina in the Estuary, on the Alameda side, as you're coming in from the Bay. Just past the southern tip of Coast Guard Island.

Chandlery and dealer for McGregor sailboats.

Access: At Loch Lomond Marina.

Full service boatyard. Lift capacity to 35 tons. Fuel dock and chandlery.

Access: At Berkeley Marina, at the northwest corner.

Online marine outfitter.

Life raft sales and service; commercial marine supplies.

Facilities include the last surviving Alaska Packers Association building.

Access: Coming from the Bay, pass Coast Guard Island to port. Grand Marina is to starboard just past the island's southern tip. It is the second-to-last marina on the Estuary.

Chandlery is part of the KKMI boatyard. Services the boatyard and is also open to the public.

Marina completely rebuilt in the late 1990s. Facilities include Loch Lomond Yacht Club, Arena Yacht Sales. and Andy's Local Market.

Access: Enter the San Rafael channel, staying within 100 feet of the row of green markers (only the port edge is marked). Before entering the San Rafael canal, make a sharp right turn into the side channel to Loch Lomond Marina, marked with a series of posts on both sides.

The Napa Valley Marina is the only large public boating facility, other than launch ramps, on the Napa River. In addition to covered and open slips, there's a guest dock, a fuel dock, and a large boatyard. The boatyard has room for more than 250 boats. With warmer weather and cheaper rates than anywhere else this close to San Francisco, the boatyard is a popular site for large owner-managed projects.

Access: Enter the Mare Island Strait between Mare Island and Vallejo and proceed 9 miles north. The marina is about 6 miles south of downtown Napa.

Distributor of high-performance marine products. Also provides full rigging and service. O'Neill carries thousands of different products including Konrad Drives, Livorsi Marine, WPM Steering, GRP Products, Eddie Marine, Lightning Headers, Stellings Headers, custom panels, wiring harnesses, cooling accessories, billet hardware, engine hardware and accessories, Potter Performance Products, cleats and even ropes and fenders.

Full-service marine electrical chandlery ("The Project Place"). Consult with Richard Leevey, a Master Electrician, to get expert advice. Do it yourself with their guidance, or their service department can complete the job for you to ABYC standards and warranty all work for one year. Repairs, replacements, or upgrades.

Access: At Clipper Yacht Harbor

Extensive chandlery at Svendsen's Boat Works.

Access: At Alameda Marina.

Books, software, charts, and navigation equipment.

Large assortment of fishing and watersports as well as powerboating and sailing supplies.