[1] Tõstamaa St. Mary's Lutheran church was built in 1763–1768.
Later the owners have been the Kursells, Helmersens and Staël von Holsteins.
The Early-Classical two-storey main building was built in 1804.
[2] During a renovation in 1997, several original painted ceilings were uncovered.
[3] The manor was dispossessed in 1919 and since 1921 a local school (Tõstamaa Keskkool) is operating in the main building.