Founded by the Riboli Family, San Antonio Winery is a Southern California winery with over 100 years of history, crafting world-class wines bottle by bottle from estate vineyards. They feature multiple brands including Maddalena, San Simeon, Highlands 41, and Opaque, with tasting rooms, restaurants, and event spaces in Los Angeles, Ontario, and Paso Robles. Awarded American Winery of the Year by Wine Enthusiast Magazine.

Estate vineyards in Napa Valley, Paso Robles, Monterey Wine brands: Maddalena, San Simeon, Highlands 41, Opaque, Stella Rosa Wine tastings, restaurants, and private events
Winery hero image Los Angeles location Ontario location Paso Robles location Riboli Family Winemaking & Events Center Riboli family photo Maddalena wine photoshoot
Maddalena Wines
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San Simeon Wines
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Highlands 41 Wines
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Opaque Wines
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Stella Rosa
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California White Wines
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Gold Medal, San Francisco Chronicle Wine Competition 2022 2022
Silver Medal, Los Angeles International Wine Competition 2021 2021
Holiday Parties
Available now, limited availability
Event spaces for holiday parties at Los Angeles, Ontario, Paso Robles, and Riboli Family Winemaking & Event Center

Awarded American Winery of the Year by Wine Enthusiast Magazine. Holiday event spaces available for booking with limited availability.