Domaine Sine Qua Non is a prestigious wine producer located in the Santa Barbara region of California, United States. It is run by Manfred and Elaine Krankl who are considered pioneers of viticulture in California. The estate produces high quality red and white wines, mainly from the Syrah, Viognier, Roussanne, and Grenache grape varieties. Sine Qua Non wines have been widely awarded and have won numerous prizes in the most prestigious wine competitions. Sine Qua Non wines are renowned for their aromatic complexity, their length in the mouth and their expression of terroir. Tours and tastings are available for wine lovers interested in a more in-depth discovery experience. Sine Qua Non wines are a must-have for passionate wine lovers looking for premium wines, and they are particularly valued for their originality and finesse.