The station building is a modern steel structure and houses a waiting area and a staffed ticket window.

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

[4][5] The private Daito Railway (大湯鉄道) opened a track from Ōita to Onoya on 30 October 1915.

With the privatization of Japanese National Railways (JNR), the successor of JGR, on 1 April 1987, the station came under the control of JR Kyushu.

[8] Media related to Minami-Oita Station at Wikimedia Commons This Oita Prefecture railroad station-related article is a stub.