Right Onsen

Right Onsen › Tokyo › Shinjuku City

Taiseiyu

3.7★ · 203 Google ratings · Shinjuku City, Tokyo · 大星湯

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✓ Day visitors✓ Sauna
Before you go

Can you bathe here?

Day visitors
✓ YesFrom the facility's listing
Hours
15:00–23:30From the facility's listing
Closed
MondayWeekly closing days from the listing
Tattoos
? Call aheadNo policy stated in the 41 recent reviews we read
Price
¥600 adultConfirmed by recent visitor reports
How we know this

Sources and what has to be true before we print a fact

The bath

What you’ll find

Taiseiyu (also called Ōboshiyu) is a small, old-fashioned neighborhood sento in Shinjuku with an electric bath, cold plunge and a paid sauna; admission is around 550–600 yen and staff strictly enforce closing time.

Bath setup
Outdoor bath
✕ NoReported by one visitor
Sauna
✓ YesConfirmed by recent visitor reports
Cold bath
✓ YesReported by two visitors
Rest area
✓ YesReported by two visitors
Spring water
Bath temperature
42°CConfirmed by recent visitor reports
How we know this

Sources and what has to be true before we print a fact

Guide

Good to know

Bath temperature
The main bath runs about 42–43°C, described by most as hot, though one visitor found it only moderately warm.
Confirmed by recent visitor reports
Hair dryer
A hair dryer is available for 20 yen per 3 minutes.
Confirmed by recent visitor reports
Sauna
A paid sauna (roughly 450–1000 yen extra) is available, usually closing around 21:00.
Confirmed by recent visitor reports
Practical

What you need

Towels
Rental availableConfirmed by recent visitor reports
Soap & shampoo
✓ ProvidedConfirmed by recent visitor reports
Lockers
✓ Coin returnedConfirmed by recent visitor reports
Hair dryer
✓ YesConfirmed by recent visitor reports
How we know this

Sources and what has to be true before we print a fact

Timing

When to go

Quietest Tuesday around 15:00. Busiest Sunday around 18:00.

8A9A10A11A12P13P14P15P16P17P18P19P20P
MO
TU
WE
TH
FR
SA
SU

Quiet Busy

Based on Google visit patterns, not a forecast.

Weekly hours
DayHours
MondayClosed
Tuesday15:00–23:30
Wednesday15:00–23:30
Thursday15:00–23:30
Friday15:00–23:30
Saturday15:00–23:30
Sunday15:00–23:30

Closed Monday.

Getting there

How to get there

Nearest station
Wakamatsu-kawadaAbout 7 min on foot, 0.5 km in a straight line
Address
18-3 Ichigayadaimachi, Shinjuku City, Tokyo18-3 Ichigayadaimachi, 新宿区 Shinjuku City, Tokyo 162-0066 · From the facility's listing
Show a driver
大星湯The name in Japanese, for a taxi or at the counter
Phone
+813-3351-7625Japanese-speaking. For tattoos or private baths a call is the only sure answer

Directions in Google Maps

The map loads only when you ask for it and connects your browser to Google.

Nearby

Other baths close by

Benten-yu
4.2★ · 0.2 km
✓Day use✓Tattoos✓Outdoor bath✓Sauna
Tōhōyu
3.9★ · 0.6 km
✓Day use✓Tattoos✓Outdoor bath
Yanagiyu
4.0★ · 1.0 km
✓Day use✓Tattoos
Thermae-Yu
4.1★ · 1.1 km
✓Day use✕Tattoos✓Outdoor bath✓Sauna
Shioyu
3.8★ · 1.2 km
Tattoos ?✓Sauna
Gran Customa Kabukicho
3.8★ · 1.4 km
✓Day useTattoos ?
Find another

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What matters
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Questions

Common questions

Can I visit Taiseiyu without staying overnight?
Listed as a sento (public bathhouse): a bath for day visitors by definition. No visitor review states otherwise.
How much does Taiseiyu cost?
Admission was 550 yen in reviews from 2026-01 and 2026-06, rising to 600 yen by 2026-08.