Merikarvia (Swedish: Sastmola) is a municipality in the region of Lounais-Suomi. It is located in the Satakunta region. The neighboring municipalities are Isojoki, Kristinestad Pomarkku, Pori and Siikainen.
The municipality has a population of 3,111 (31 January 2019)[ and it covers an area of 1,246.22 square kilometres (481.17 sq mi), of which 800.2 km2 (309.0 sq mi) is water. The municipality is unilingually Finnish. The coastline was formerly Swedish-speaking. Merikarvia is known by the Oura Archipelago, which is part of the Bothnian Sea National Park.
- MerikarviaKko (2016)