WINERY OF THE YEAR Monserate Winery is honored to be the recipient of the 2025 San Diego International Wine Challenge's Winery of the Year, Domestic. Estate Wines Our wines at Monserate Winery are estate grown and bottled here in Fallbrook, California. We take pride in producing quality wines and pay close attention to every detail. Italian Vines The temperate coastal climate of Fallbrook closely resembles that of Italy's most notable and sought after wine regions, making it a perfect match for Italian varieties.