Wakashio

This is a small, old-fashioned ryokan on Awaji Island known for its fresh-fish course dinners as much as its bath. The house onsen draws bicarbonate-rich water from deep underground; guests describe it as smooth and silky on the skin, the kind of water that leaves you warm through after soaking. Rooms and the lobby look out over the Naruto Strait and the Onaruto Bridge, a view that shifts with the light through the day.