Merimasku () is a former municipality of Finland. It was, together with Rymättylä and Velkua, consolidated with the town of Naantali on January 1, 2009. Neighbouring municipalities of Merimasku were Askainen, Lemu, Masku, Naantali, Rymättylä and Velkua.

It is located in the province of Western Finland and is part of the Southwest Finland region. Merimasku comprised the northern part of Otava Island and a small portion of the mainland also belonged to the municipality.

The municipality had a population of 1,513 (31 December 2004) and covered an area of 51.12 km² (excluding sea) of which 0.71 km² is inland water. The population density was 30.01 inhabitants per km².

The municipality was unilingually Finnish.

References

  • https://www.merimasku.fi/ – Official website