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Amakusa (天草郡, Amakusa-gun) is a district located in Kumamoto Prefecture, Japan.
Following the March 27, 2006 Amakusa merger the district consists of the single town of Reihoku. After the merger, the district has an estimated population of 9,105 and a density of 135.77 persons per km2. The total area is 67.06 km2.
Ferry from Itsuwa Oniike on the north of the Amakusa Peninsular to Kuchinotsu at the southern tip of the Shimabara Peninsula is run by the Shimbara Railway Co. Services operate frequently each day.
http://www.shimatetsu.co.jp/
Ferry from Tomioka Port in northern Amakusa to Mogi/Motegi in Nagasaki Prefecture is operated by Yasuda Sangyo Kisen Co.Ltd https://web.archive.org/web/20110810174645/http://kisen.yasuda-gp.net/kouro02/index.html
32°30′29″N 130°02′51″E / 32.50806°N 130.04750°E