The Nippon Maru sailing boat in the Minato Mirail 21 business district in Yokohama, Japan

The Nippon Maru is a large sailing boat built by Kawasaki Shipbuilding Corporation in Kobe and launched in 1930. She was first used as a training sailing boat before turning into a floating museum. She is now permanently docked in the Minato Mirail 21 business district in Yokohama.