Kaihimmakuhari Station is a passenger railway station located in Mihama-ku, Chiba city, Chiba Prefecture, Japan, operated by the East Japan Railway Company.

The Wakashio (わかしお) is a limited express train service in Japan operated by the East Japan Railway Company. It runs from Tokyo to Kazusa-Ichinomiya and Awa-Kamogawa on the Bōsō Peninsula in Chiba Prefecture.