was a town located in Amakusa District, Kumamoto Prefecture, Japan.
As of 2003, the town had an estimated population of 8,711 and a density of 170.14 persons per km2. The total area was 51.20 km2.
On March 31, 2004, Matsushima, along with the towns of Himedo, Ōyano and Ryūgatake (all from Amakusa District), was merged to create the city of Kami-Amakusa and no longer exists as an independent municipality.[1]