• First, the Treasure Island Music Festival. Then the
    Treasure Island Flea Market. Now San Francisco's
    Wine Tasting district with eight wineries with the
    opening of Sottomarino. Explore San Francisco
    Wine Country by visiting Sottomarino Winery
    any weekend. Sottomarino Winery is part of San
    Francisco's Winemaker Studios, bringing together
    winemakers to provide a one-of-a-kind urban winery
    experience. When you are at the Treasure Island Flea
    Market, stop by and taste wine from San Francisco's
    Artisan Winemakers.