The station building is a modern structure with entrances located on both the north and south sides of the elevated tracks. The platform layout reflects the station’s dual role as both the current cross-platform transfer point between the Nishi Kyushu Shinkansen and connecting conventional rail services, and a future through station once the Shinkansen is extended to Hakata. The station has two side platforms and two island platforms serving five elevated tracks. Nishi Kyushu Shinkansen
Kamome services to and from Nagasaki use Track 11, while limited express
Relay Kamome services use Track 10 to and from Hakata, allowing for cross-platform transfers. Track 12 is not currently in regular use, but was constructed for future operations following the extension of the Shinkansen to Hakata. Tracks 1 and 2 are used by the Sasebo Line, including Midori and Huis Ten Bosch services. Track 3 (currently numbered Track 10) is equipped with
fixed platform barriers to prevent boarding; these barriers can be removed once the Shinkansen extension is completed, allowing the track to be reassigned for conventional services. Station facilities include a
midori-no-madoguchi staffed ticket office, a waiting room, a café, retail shops, and the Takeo Tourist Information Centre. Parking is available beneath the elevated structure, and car rental services are offered.
Tracks File:Takeo-Onsen Station 20170429-4.jpg|The north entrance of the station in 2017. File:Takeo-Onsen Station Interchange.jpg|The transfer platform (tracks 10 and 11) in September 2022 File:Takeo-Onsen-STA_Shinkansen-Limited-Express-Gate_2023.jpg|Shinkansen and
Relay Kamome ticket gates, January 2023 File:Takeo-Onsen Station-tourist information center-20230114.jpg|Takeo Tourist Information Centre File:Takeo onsen sta 02.JPG|Entrance to tracks 1 and 2, with a shop (left) and ticket office (right). File:Takeo-Onsen-STA Platform2 2023.jpg|Track 2 with the gated Track 3 visible to the left and Track 1 to right ==History==