Thermae-yu
Wellness • Onsen • $$
A 24-hour Shinjuku bathhouse piping in real hot-spring water from Shizuoka for open-air rooftop baths.
Why KEY2 recommends it
Best for
Relaxation
Wellness • Onsen • $$
A 24-hour Shinjuku bathhouse piping in real hot-spring water from Shizuoka for open-air rooftop baths.