It is located in the south side of the convent and it has a Latin cross floor, with a simple transept. It has a covered atrium with two levels widely separated by an impost. The limited main nave is covered by a barrel-vaulted ceiling with lunettes. The transept nave has a pendentive vault with an oculus and decorated with the same frieze found in the main nave. The semi-circular main chapel is on the top of the three steps and it is covered by a semi-dome with unique cornices and Tuscan pilasters.