Maruyama was born in Ota, Tokyo on 26 March 1983. After graduating from Nippon Sport Science University, she joined TEPCO Mareeze in 2005 and was assigned to the section of Fukushima Daiichi Nuclear Power Plant. She was selected Best Young Player awards in 2005 season. She played for the club until 2009 season, in 2010 she went to United States. In September, she returned to Japan and joined JEF United Chiba. In 2012, she moved to Speranza FC Osaka-Takatsuki (later "Konomiya Speranza Osaka-Takatsuki"). She retired at the end of the 2016 season.