Isahaya (Shimabara Railway)

Weekday departures: 28/day · Sat & holiday departures: 26/day

First / last departure (weekday): 6:24 / 22:10

Busiest hour: 8:00–9:00 (3)

0:00 ─ 23:00

Figures are typical departures in the timetable data, not a live service count.

Timetable data as of 11 May 2026.

• Shimabara Railway Line: Hon-Isahaya

Isahaya Station opened on 27 November 1898 as a station of the private Kyūshū Railway's Nagasaki Line and was nationalised on 1 July 1907. It became a Nagasaki Main Line station when the line-name system was set on 12 October 1909, and gained a Shimabara Railway platform on 21 August 1911. The station was rerouted onto the Ariake corridor of the Nagasaki Main Line on 1 December 1934; the second-generation station building dated to June of the same year. Freight and parcel service ended on 1 November 1986, and JR Kyushu inherited operations at privatisation on 1 April 1987. Automatic gates were installed on 24 March 2010 and SUGOCA support was added on 1 December 2012 for the Nagasaki / Ōmura corridor. A bridge concourse opened on 4 August 2018, the West Kyushu Shinkansen opened on 23 September 2022, and on 1 October 2019 the Shimabara Railway side took the subtitle "Unzen / Shimabara-guchi".

Isahaya is one of Japan's rare Shinkansen stations whose platforms are essentially at ground level rather than elevated. Because the Shinkansen tracks here have no passing loop, its two Shinkansen platforms are fitted with movable safety fences.