completed in 1652, is the work of Matthew Lopez and Gonzalez de Araújo.
The front is of altarpiece structure and shows the figures of the Virgin and Child and saints Benedictine abbots. The Eternal Father chairs the triangular fronton. San Martin de Tours ends the set on top with their classical representation, on a horse and breaking his cloak to shelter a beggar.
The plan of the church has a longitudinal nave, covered with a barrel vault with false coffers. the nave opens to six side chapels that communicate with each other and have the same type of vault the nave. The cruise illuminates by a cupola in half. The choir stalls, Baroque, is the work of Matthew de Prado and the three main altarpiece, along with the Chapel of the Relief of the same temple, are by Fernando de Casas y Novoa, creating one of the finest ensembles Baroque nationally and internationally.
Currently, this building has enabled part as a museum of religious art