The Joetsu City Aquarium Museum Umigatari, completed in 2018, is a striking contemporary facility designed by renowned Japanese architecture firm Nippon Design, led by architects Atsushi Shinozaki, Kensuke Kono, and Masahiko Terasaki. Located in Joetsu, Niigata Prefecture, this aquarium and botanical garden seamlessly integrates marine exhibits with innovative architectural design. The building exemplifies modern Japanese design principles, combining functional spaces for aquatic displays with thoughtfully landscaped botanical areas. Its distinctive aesthetic celebrates the relationship between architecture and the natural environment, making it a significant example of contemporary institutional design in Japan.