Like Sandplace and Causeland on the Looe Valley line, St Keyne is a tiny platform with a shelter in the wooded valley. Unlike the other two stations, however, we arrived to the sound of Wurlitzer music as advertised on this platform sign:
The station platform is minimal, just long enough for the one carriage trains that ply the line and with the standard issue modern shelter:
Looking south from the road bridge over the line: