KEY2 PickSpa • $$$$Aman SpaA two-storey spa within Aman Tokyo built around an onsen-style bath framed by the Imperial Palace moat below.Best for: PamperingExploreReserveSaveShare
Onsen • $$Spa LaQuaA natural hot-spring complex inside Tokyo Dome City, drawn from 1,700 metres below the city.Best for: Day TripExploreReserveSaveShare
Onsen • $$Thermae-yuA 24-hour Shinjuku bathhouse piping in real hot-spring water from Shizuoka for open-air rooftop baths.Best for: RelaxationExploreReserveSaveShare