The station is on the ground level with two opposing side platforms and two tracks. The distinctive station building is modeled after the Otemon Gate of Shimabara Castle. As a directly managed station, it has automatic ticket vending machines and a ticket window. Connecting tickets are also sold. The platform and station building are connected by level crossing equipped with an alarm..[1][2]
^ abcKawashima, Ryōzō (2013). 図説: 日本の鉄道 四国・九州ライン 全線・全駅・全配線・第5巻 長崎 佐賀 エリア [Japan Railways Illustrated. Shikoku and Kyushu. All lines, all stations, all track layouts. Volume 5 Nagasaki Saga area] (in Japanese). Kodansha. pp. 22, 67. ISBN9784062951647.
^ ab"島原駅" [Shimabara Station]. hacchi-no-he.net. Retrieved 16 March 2018.
^"第67版(令和2年)長崎県統計年鑑" [Nagasaki Prefecture Statistics Yearbook 67th Edition]. Nagasaki Prefectural Government website. Retrieved 16 March 2024. See table at section under Transportation and Communications.