is a village located in Shiribeshi Subprefecture, Hokkaido, Japan.
As of September 2016, the village has an estimated population of 1,560. The total area is 437.26 km<sup>2</sup>.
Shimamaki is located on the southern of the Shiribeshi Subprefecture. The name is derived from the Ainu word "Shuma-ko-mak", which means "Behind rocks".
The main industry of Shimamaki is fishery. Thirty percent of the villagers are engaged in it.