Minato Mirai 21 was systematically designed to be a "futuristic city befitting the 21st century. Electric lines and optical fibers are housed in underground common ditches, street trees are maintained, and buildings feature a unified design based on white and brown tones. A district heating and cooling system has been installed to conserve energy.

Minato Mirai is an attractive area where Yokohama's history and modernity merge, and is visited by many people day and night. The beautiful night views and seaside atmosphere make it especially popular as a date spot and tourist destination.