Malminkartano became a manor in the beginning of the 17th century, but the owners are known since 1579. The present main building is supposed to be built in the end of the 18th century. It has been enlarged and reconstructed several times.

Mathildedal Ironworks was founded by the owner of Teijo Manor in the 19th century, and it was named after his wife. The industrial activity was discontinued in 1980s. The main building was built in around 1852.

The history of Mattelmaki Manor dates back to the 16th century. The oldest parts of the present main building date from the end of the 18th century, and it has been enlarged in 1831 and 1842.

The history of Meilahti Manor dates back to the end of the 15th century. The present main building and the annex were built in the 19th century. The current appearence is from 1913. Nowadays, the manor building complex is owned by Helsinki city, and the wooden building is used as a cafe.

The history of Meltola Manor dates back to the 15th century, and the owners are known since 1567. The present main building was completed in 1924, and restored in 1938.

The history of Mommila Manor dates back to the 17th century, and the owners are known since 1610. The present main building dating from 1859 was originally built in the Empire style, but has been remodeled several times afterwards. The granary is an example of the late 19th century architecture.

The history of Monikkala Manor dates back to the 16th century, and the owners are known since 1530. The oldest part of the main building probably dates from the end of the 1780s. It was enlarged in the beginning of the 19th century, and the second floor was added in the 1830s. It has been also enlarged in around 1910.

Myllykyla Manor was founded in the beginning of the 17th century, and the owners are known since 1540. The present main building was built in the 1790s, and was remodeled and enlarged in 1836-1838 in the Empire style.

Malikkala Manor was founded in the 1860s, and the owners are known since 1862. The present main building was built in 1922, and was styled after manor houses in the Gustavian era.