The museum lays inside the recently renovated
church of S. John the Baptist that overlooks on Peretti
square, the main square of the old town.
The museum is mainly dedicated to the memory of Felice
Peretti, a strong personality man, born in Grottammare
in 1521 and ascended to the papal throne as Sisto V.
his native town Felice Peretti bequeathed a lot of
valuable objects that testify his close bond with his
country. Some of the most important works are an old
priviale for liturgical celebrations, a chalice with
paten and a medal with the effigy of Camilla Peretti,
the sister of the Pope.
There are furthermore some precious paintings by
Vittorio Crivelli and Vincenzo Pagani, two famous
artists from Marche.