Izumi Sui is a contemporary onsen resort located in the historic hot spring town of Kinosaki in Hyogo Prefecture. Completed in 2019 by architect Yasushi Horibe, this accommodation facility masterfully blends modern design principles with the traditional aesthetic of its celebrated surroundings. The project demonstrates Horibe's thoughtful approach to integrating new architecture into culturally significant landscapes. Through carefully considered spatial composition and material selection, Izumi Sui creates a refined guest experience while respecting the character that has made Kinosaki a renowned destination for centuries. The building stands as a notable example of contemporary hospitality architecture in Japan.