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Tomales Bay Oyster Farms SF is an audio guide to the working oyster beds near Millerton Point, where Pacific oysters grow in briny bay water. Listen for the farm’s long history, the taste of cucumber and melon, and the black and purple shells that make this stretch of Marin County distinctive.
Full transcript
The Bay as a Working Pantry
Stand where the bay narrows toward Millerton Point and imagine the water as a working pantry. The Coastal Miwok called this place Tamal-Liwa, and native Olympia oysters once filled middens along the shore. Later, Gold Rush crowds in San Francisco wanted cheap protein, but the local oyster tasted too coppery. Growers brought in Pacific oysters from Japan, and Tomales Bay became a cleaner home for them. The old railroad corridor once carried lumber, dairy, and shellfish toward the city, so the farm was never just a quiet tidepool. It was a supply line. Look at the waterline for the dark shells and the shallow racks that keep oysters off the bottom.
Brine, Bags, and the Johannson Years
Walk the shore and watch how the bay behaves. Tomales Bay is briny and clean, and that water shapes the meat. Oysters here are often grown in bags or on racks, lifted away from the muddy bottom so the shells stay clean and the cups deepen. The farm’s story is tied to people like Oscar Johannson, who managed growing operations and worked the tidelands with his family. Their labor turned a risky estuary into a dependable source of shellfish. Notice the color of the shells, black and purple with hints of blue, and listen for the small slap of water against the bags.
Tasting the Estuary
Come close enough to smell the estuary, then taste what the bay gives. A Tomales Bay oyster opens with a bracing brine, then settles into butter, cucumber, and melon. Some tumbled oysters, like the Golden Nugget, develop deeper cups and plumper meat, with a hint of white asparagus in butter sauce. The shells are not just packaging; they record the water, the racks, and the careful handling that keeps the meat crisp. Find a shaded spot near the shore, watch the tide move, and ask for a fresh oyster to taste before you choose a plate.