It is operated by the Tosa Kuroshio Railway and has the station number "TK43".

[4] The station consists of two opposed side platforms serving two elevated tracks.

There is no station building, but enclosed shelters are provided on both platforms for waiting passengers.

A bike shed and parking lots for cars are available near the base of the steps.

[3] Media related to Arioka Station at Wikimedia Commons This Kōchi Prefecture railroad station-related article is a stub.