All of Ota Ward's Sento: 31 Baths in Kamata, Omori, and Magome—the Mecca of "Kuroyu" Black Water Hot Springs

Ota Ward has the most bathhouses in Tokyo and is the ultimate destination for "Kuroyu"—natural black water hot springs rich in ancient organic minerals. Here, you'll find everything from coffee-colored waters and retro, temple-style bathhouses to beautifully renovated modern spots. Based on the Tokyo Sento Association's list, we've gathered 31 sento in Ota Ward (excluding Hisamatsu Onsen, which is currently closed). Why not wrap up your neighborhood stroll by hopping between these unique, pitch-black hot springs?

2026.07.12

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Total ~40km

01

SPOT

Chofu Benten-yu

Chofu Benten-yu

A cozy neighborhood bathhouse near Ontakesan Station. Located in a quiet residential area, it's the perfect place to unwind and catch your breath after a warm soak.

〒145-0073 東京都大田区北嶺町10−11 本間浴場調布弁天湯

Google Maps
02

SPOT

Myojin-yu

Myojin-yu

A gorgeous retro bathhouse featuring classic Showa-era temple-style wooden architecture that has even been featured in movies. Enjoy a relaxing soak under its majestic gabled roof.

〒145-0066 東京都大田区南雪谷5丁目14−7

Google Maps
03

SPOT

Daini Kuri-no-yu

Daini Kuri-no-yu

A black water hot spring bathhouse in Unoki. Take a deep, satisfying plunge into their rich, dark waters in this lovely neighborhood along the Tama River.

〒146-0091 東京都大田区鵜の木2丁目46−1 栗山コーポ

Google Maps
04

SPOT

COCOFURO Masu-no-yu

COCOFURO Masu-no-yu

A highly popular, beautifully renovated bathhouse with a sleek, modern design. It's a favorite spot for sauna lovers, too!

〒146-0084 東京都大田区南久が原2丁目1−23 メゾン久が原 1階

Google Maps
05

SPOT

Hachiman Yokujo

Hachiman Yokujo

A friendly neighborhood bathhouse in Ookayama. Located right by the student district, it offers a warm, unpretentious, and welcoming atmosphere.

〒145-0063 東京都大田区南千束3丁目1−13

Google Maps
06

SPOT

Kugahara-yu

Kugahara-yu

A local bathhouse in Kugahara. Tucked away in a quiet residential area on a hill, it's a peaceful spot to slowly and quietly enjoy your soak.

〒146-0085 東京都大田区久が原2丁目14−15 山岸ビル

Google Maps
07

SPOT

Sakurakan

Sakurakan

A spacious bathhouse featuring open-air black water baths and an observation bath. Treat yourself to a luxurious moment while gazing up at the sky from the rooftop.

〒146-0082 東京都大田区池上6丁目35−5

Google Maps
08

SPOT

Atari-yu

Atari-yu

A neighborhood bathhouse in Omorimachi. Hit the reset button with a deep plunge into their hot, soothing waters in this cozy corner of downtown.

〒143-0015 東京都大田区大森西3丁目11−27

Google Maps
09

SPOT

Omori-yu

Omori-yu

A local bathhouse in Omorimachi. With its traditional raised reception counter (bandai) and high ceilings, it retains the wonderful, nostalgic charm of a classic sento.

〒143-0015 東京都大田区大森西3丁目8−17

Google Maps
10

SPOT

Tengu-yu

Tengu-yu

A neighborhood bathhouse near Heiwajima. A down-to-earth, welcoming spot deeply loved by the locals.

〒143-0015 東京都大田区大森西2丁目15−3

Google Maps
11

SPOT

Miyako-yu

Miyako-yu

A local bathhouse in Shimomaruko. Stop by for a quick, refreshing soak to wrap up your stroll along the Tama River.

〒146-0092 東京都大田区下丸子4丁目3−11

Google Maps
12

SPOT

Kusatsu-yu

Kusatsu-yu

A neighborhood bathhouse in Yaguchinoto. Warm yourself up to the core in this cozy downtown area along the Tama River.

〒146-0094 東京都大田区東矢口2丁目7−21

Google Maps
13

SPOT

Daigo Sagami-yu

A local bathhouse in Zoshiki. Tucked away in a residential area just past the shopping street, it's a comforting beacon of warmth for daily life.

〒144-0045 東京都大田区南六郷2丁目7−7−20

14

SPOT

Taihei-yu

A neighborhood bathhouse in Kamata. Located just behind the bustling downtown area, it's the perfect spot to find peace in a hot, relaxing bath.

〒144-0045 東京都大田区南六郷1丁目5−17

15

SPOT

Teru-no-yu

A black water hot spring bathhouse in Zoshiki. Proudly featuring rich, coffee-colored waters, it's a quiet, cozy spot to unwind in the old-school downtown district.

〒144-0055 東京都大田区仲六郷3丁目23−6 第一ビル

16

SPOT

Nu-land Sagami-yu

A large-scale black water bath facility in Zoshiki. With saunas and a wide variety of tubs, you can easily spend a whole day relaxing here.

〒144-0055 東京都大田区仲六郷2丁目7−5

17

SPOT

Daiichi Sagami-yu

A neighborhood bathhouse in Zoshiki. Located in the old-school Rokugo district, it's a beloved local spot cherished by its regulars.

〒144-0056 東京都大田区西六郷2丁目29−2

18

SPOT

Tenjin-yu

A local bathhouse near Keikyu Kamata Station. Drop in easily right in the middle of town for a quick, refreshing soak.

〒144-0035 東京都大田区南蒲田1丁目7−23

19

SPOT

Hasunuma Onsen

A highly popular, beautifully renovated black water bathhouse in Hasunuma. Its chic, modern design makes it incredibly welcoming and easy to visit, even for younger crowds.

〒144-0051 東京都大田区西蒲田6丁目16−11

20

SPOT

Kaisei-yu

A famous bathhouse known as the "Goldfish Bath," where goldfish swim right alongside the black water pools. The beautiful wall murals and fish tanks are incredibly soothing.

〒144-0051 東京都大田区西蒲田5丁目10−5

21

SPOT

Taisho-yu

A neighborhood bathhouse in Keikyu Kamata. With its charmingly retro atmosphere, time seems to slow down the moment you step inside.

〒144-0031 東京都大田区東蒲田1丁目21−6

22

SPOT

Kamata Onsen

A long-standing black water bathhouse in Kamata. It features piping hot, pitch-black waters and a nostalgic, old-school vibe, complete with a banquet hall on the second floor.

〒144-0053 東京都大田区蒲田本町2丁目23−2

23

SPOT

Kotobuki-yu

A local bathhouse in Keikyu Kamata. Tucked away in a downtown neighborhood, it's the kind of place that makes you crave a cold drink right after your soak.

〒144-0052 東京都大田区蒲田3丁目8−6

24

SPOT

You City Kamata

A black water bath facility located near Kamata Station. A convenient downtown spot where you can easily pop in for a relaxing soak on your way home from work.

〒144-0052 東京都大田区蒲田1丁目26−16

25

SPOT

Kamata Fuku-no-yu

A neighborhood bathhouse in Kamata. True to its name (which means "bath of good fortune"), it's a heartwarming spot that leaves you feeling blessed and cozy.

〒144-0052 東京都大田区蒲田1丁目12−15

26

SPOT

Shin Nomigawa-yu

A local bathhouse along the Nomigawa River. Enjoy a relaxing soak while feeling the gentle river breeze.

〒143-0013 東京都大田区大森南1丁目21−11

27

SPOT

Kannon-yu

A neighborhood bathhouse in Kojiya. Located in a downtown area close to Haneda, it's the perfect place to wash away the day's fatigue.

〒144-0034 東京都大田区西糀谷3丁目24−16

28

SPOT

Sachi-no-yu

A local bathhouse in Kojiya. A warm, welcoming spot that is deeply loved by local regulars.

〒144-0034 東京都大田区西糀谷1丁目25−15

29

SPOT

Takara-yu

A neighborhood bathhouse in Otorii. Located in a downtown area near Haneda, the cool ocean breeze feels amazing after a warm soak.

〒144-0033 東京都大田区東糀谷3丁目4−8

30

SPOT

Shige-no-yu

A local bathhouse near Anamori-inari. Situated on the outskirts of the airport town, it's a great spot for a quick soak before or after your flight.

〒144-0043 東京都大田区羽田3丁目16−10 重乃湯

31

SPOT

Take-no-yu

A neighborhood bathhouse in Haginaka. Take a relaxing plunge in this downtown area near Haneda, where you can spot airplanes passing by.

〒144-0043 東京都大田区羽田1丁目12−16 羽田ハイム 1F

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