Earlier, this 17th century church used to be a popular pilgrimage site, but nowadays, it is open to public for prayers and visits only.
Wikipedia https://it.wikipedia.org/wiki/Santuario_della_Madonna_di_Monserrato
Info Elba http://www.infoelba.com/island-of-elba/territory-history/places-to-see/churches-sanctuaries/monserrato-sanctuary/
Address Località Monserrato, 57036, Italy
Coordinates 42°47'3.58" N 10°23'31.42" E