Hot Springs of Japan" Hot Springs by the Seashore ShizukaThe "Atami Hot Springs" in Atami City, Shizuoka Prefecture. Atami Onsen is a hot spring resort in Atami City, Shizuoka Prefecture, where 500 inns of all sizes are located. Japan is the world's number one hot spring country, and the blessings of heavenly hot springs flow out of every corner of the country. Whether for recreation or recuperation, the Japanese people know how to take full advantage of them and use them as a source of sustenance for tomorrow. It is said that there are as many as 1,500 or 1,600 hot springs in Japan, but this kind of environment, along with the Japanese love of hot water, is unparalleled in the world. It is a unique Japanese asset. Atami Hot Springs in Atami City, Shizuoka Prefecture. It was made famous by the novel "Golden Yasha" written by Momiji Ozaki. There are more than 500 inns, both large and small. There are also ferries to Hatsushima Island and Izu Oshima Island, so there is no shortage of sea fun.