On December 27, 1933, the Jinchū Railway (now the Sotetsu Main Line) was connected to the station. On December 9, 1957, the north side underground entrance opened. On December 1, 1965, the MARS on-line ticket reservation system was introduced at the station. On September 4, 1976, the Yokohama City Subway Line No. 3 was connected to Yokohama Station. On November 7, 1980, the new east station building and east-west passage opened. On January 31, 2004, The Tōkyū Tōyoko Line platform reopened underground, and on February 1, 2004, the Minatomirai Line opened.