St. Michael's Church

St. Olaf's Church in Kalanti is a medieval grey stone church built between 1430 and 1450, which is supported by the dendrochronological study of the west portal. The church is known for the paintings signed by the painter Petrus Henriksson in the 1470s. The church also has the most important surviving medieval altarpieces in Finland.

Vehmaa Church is a medieval stone church probably built between 1425 and 1440. The Vehmaa Church and the rectory on the west side of the church are listed monuments.

Mynämäki Church, originally called St. Laurus Catholic Church, is the second-largest medieval stone church in Finland. The church's sacristy is the oldest part of the building and some date its construction to the 13th century, while others date it from 1425 to 1440.