Vinsanto is an ancient winemaking tradition of Santorini that dates back thousands of years and represents an important part of Santorini s history.
In order for a wine to be labeled Vinsanto in Santorini the wine must be predominately made from the Assyrtiko grape—at least 51%, the remaining 49% is made up of Athiri and Aidani and some small amounts of locally grown white varieties. Vinsanto does not undergo any chaptalization and is made up only of the natural sugars and acids of the grapes. Vinsanto is made from late harvested grapes that have been dried in the sun for 12–14 days. They are then crushed and fermented and are then aged for a minimum of 24 months in oak barrels. Vinsanto must achieve a minimum of 9% abv