Nu Land Sagami-yu
Time Out says
Sitting not far from the border with Kanagawa Prefecture, this Zoshiki bathhouse boasts a restaurant, karaoke room, massage service, relaxation chairs and small rooftop garden. If you're just looking to take a long soak, there's a range of tubs to choose from, including an outdoor rotenburo and an indoor onsen bath that uses Ota-ku's distinctive kuroyu black water. These are all available for a basic charge of ¥450, though you'll have to pay extra if you want to use the sauna and other facilites.
2-7-5 Nakarokugo, Ota-ku
|Transport:||Zoshiki Station (Keikyu Main line), west exit|
|Price:||Full building (baths + sauna): Adults ¥1,250 (Mon-Fri) / ¥1,550 (Sat, Sun & hols), children ¥600|
|Opening hours:||Daily 10am-11pm / Closed Tue (except baths)|