The Japanese bedroom has a queen-size tatami mat bed with a pure cotton futon mattress by Hilo futon maker Dragon Mama. The bedding is bamboo print flannel over down comforter and pillows. There is a built-in closet with an antique Japanese reed door, and against one wall is a large antique tonsu with lots of space for clothes. The flooring is natural bamboo, and the shoji light fixture is the work of Volcano's own Bill McMahon of Willie's Woodworks.

The Japanese bedroom shares a large bathroom with the Old Oak bedroom.