The Winery San Francisco- Tasting and Barrel Sampling for (10). The Winery SF is San Francisco's Winery, Tasting Room & Event Center located on Treasure Island. Enjoy distinctive wines produced right in San Francisco, from our highly acclaimed Sonoma and Napa Valley winemaker. Producing hand-crafted wines in a traditional, old-world manner, The Winery offers a large number of boutique wines, creating an unforgettable wine experience for individuals, groups, and guests of San Francisco.