Massa Fermana is a comune (municipality) in the Province of Fermo in the Italian region Marche, located about 50 kilometres (31 mi) south of Ancona and about 35 kilometres (22 mi) northwest of Ascoli Piceno.The parish church of Sts. Lawrence and Sylvester houses a polyptych by Carlo Crivelli (1468). The St. Anthony Gate dates to the 14th century.