From the 3 estates owned by Companhia Agrícola do Sanguinhal, Quinta de São Francisco has the largest vine area. It also where the company's wines are produced and bottled. White and red wines Quinta de São Francisco DOC Óbidos come from this estate.
Quinta de São Francisco vineyards are planted on steep slopes of clayish soils, facing west and south.
The varieties found on these vineyards are:
White - Arinto, Alvarinho and Fernão Pires
Red – Castelão, Touriga Nacional, Touriga Franca, Syrah, Aragonez, Petit Verdot, Calladoc and Cabernet Sauvignon
Grapes from this estate reach high degree of ripeness, giving rise to excellent liquor wines.