The Monastery was probably built during the first centuries of the Venetian occupation. There are incised inscriptions since 1332. The northern aisle was the first to be built; the rest, as well as the exonarthex, were added later. The northern aisle is dedicated to the Virgin, the southern to St John the Precursor and dated in 1400-1428 and the lateral to St Phanourios, whose frescoes were painted in 1438 by the Cretan painter Constantinos Ricos. The church' s frescoes are very important and well preserved. In 1947, N. Platon supervised the restoration works that were carried out in the monastery and are still carried on by the 13 th Ephorate of Byzantine Antiquities under the supervision of M. Borboudakis.