[4] The station consists of two side platforms serving two tracks on an embankment.

The station building is at street level and is modern concrete structure with stained glass decorations on the gabled ends.

It staffs the ticket window which is equipped with a POS machine but does not have a Midori no Madoguchi facility.

With the privatization of JNR on 1 April 1987, control of the station passed to JR Kyushu.

[10] Media related to Nishi-Isahaya Station at Wikimedia Commons This Nagasaki Prefecture railroad station-related article is a stub.