MAP ・ 31 SPOTS
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
·Total ~40km
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT

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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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
SPOT
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