HARE-TABI is a sauna and hostel in Yamashita-chō on the edge of Yokohama Chinatown, five minutes' walk from JR Ishikawachō station. The men's sauna is built around a waterwheel-shaped stove modelled on a steam engine, billed as a first in Japan; the women's sauna has a funnel-shaped stove with self-löyly using Chinese tea. Bathers cool off in a herbal (kanpō) cold bath and a rest area with four kinds of fans. Day visitors need no reservation.
Sauna Yugezō occupies a renovated former ryōtei (traditional Japanese restaurant) near JR Tsurumi station and bills itself as a Finnish-style sauna. A third-party guide describes a sauna with a Harvia stove and push-button self-löyly, a 120 cm deep cold bath, and rest areas both indoors and in a Japanese garden. The same guide lists it as men-only, open 10:00 to 23:00, from ¥1,080 for 40 minutes on weekdays.
RAKU SPA BAY Yokohama is a bathing complex in Yamauchi-chō, Kanagawa ward, reached by free shuttle bus from Higashi-Kanagawa and Yokohama stations. Its golden Cotton Harbor Onsen, a strongly salty spring from about 1,500 m, fills a semi-outdoor bath looking out over Minato Mirai. There is a dry sauna with löyly and a cold bath, plus two bedrock baths and over 10,000 comics. Weekday adult entry is ¥1,540 and weekends ¥2,030; it stays open overnight on Fridays and Saturdays.
RAKU SPA Tsurumi is a large bathing complex in Motomiya, Tsurumi ward, with 15 kinds of bath and sauna, six kinds of bedrock bath and a comic library. The sauna runs automatic löyly every 30 minutes and pairs with Seirin no Mizu, a cold bath with dissolved carbon dioxide; women also have a salt sauna. An artificial, weakly acidic sulphur bath meets hot-spring standards. Adult entry, including bedrock baths and towels, is ¥2,250 on weekdays and ¥2,850 at weekends.
Miurayu Gumyōji is a super sento seven minutes' walk from Gumyōji station, built around a black-water natural mineral spring from 150 m down, heated for bathing and also served carbonated. Its 14 baths and saunas include a far-infrared tower sauna and a relaxation mist sauna, with a cold bath, and the two bath halls swap between men and women every Monday. Open 10:00–23:00 on weekdays and until 24:00 at weekends; entry is ¥980, or ¥1,080 at weekends.
Sky Spa Yokohama is a 24-hour spa on the 14th floor of the Sky Building, linked underground to Yokohama station's east exit. Men have a kelo-wood main sauna held near 90 °C with staff Aufguss and a hinoki self-löyly sauna; women have a Finnish sauna and a steam sauna; both sides have a cold bath. Upstairs, the mixed Sauna Theater is a 65 °C room for 100-plus people, used in house wear. Entry is ¥2,600 on weekdays and ¥3,300 at weekends; no tattoos.
Ofuro no Kuni is a super sento in Shimosueyoshi, Tsurumi ward, and the eastern Japan office of the Japan Sauna Neppa Aufguss Association. Its 87–95 °C far-infrared sauna hosts 'Hama Neppa' towel-waving sessions (¥200 and booked in the men's bath, free for women), alongside a METOS löyly sauna and, for women, an aroma sauna and a salt sauna. The cold bath is 90 cm deep at 17–20 °C. Entry is ¥950 on weekdays and ¥1,100 at weekends.
Yokoyama Yu-Land Tsurumi is a natural hot spring spa in Shimosueyoshi, Tsurumi ward, fed by water of about 40 °C from 1,500 m below the site, with a high-concentration carbonated spring. Its sauna is lined with ocher clay and germanium ore, and the cold bath is kept around 10 °C, one of the coldest in the Kantō region by the venue's account. Open 10:00–24:00 (last entry 23:00); entry with towels and house wear is ¥1,400 on weekdays and ¥1,500 at weekends.
Kiyūkan is a neighbourhood sento in Mutsuura, Kanazawa ward, with a gas-fired dry sauna (extra charge), a cold bath of groundwater chilled to 15–17 °C and an outdoor air-cooling space. Bath entry is ¥570. It currently runs reduced hours, opening only Wednesday and Thursday 13:00–22:00 and Saturday and Sunday 10:00–22:00, and closes Monday, Tuesday and Friday; the last sauna entry is 21:00.
Manten no Yu is a natural hot spring super sento beside Sōtetsu Kamihoshikawa station, decorated as an old Tōkaidō post town. The outdoor rock bath uses spring water drawn on site. The sauna runs automatic löyly every hour, alongside a 50 °C steam room, a mint-scented cold bath and themed löyly events such as roasted-tea löyly. Open 6:00 to 1:00 (last entry 24:30); adult entry is ¥1,100 on weekdays and ¥1,200 at weekends.
Honmoku Yuasobikan is a self-described 'homely' super sento in Chiyozaki-chō, Naka ward. Two themed bath halls swap between men and women on odd and even days. The third-floor Royal Zone adds two outdoor baths, a 100 °C high-temperature sauna, a salt sauna and a 50 °C steam bath. Bath entry is ¥570, and the Royal set with the zone and a towel is ¥900. Open 12:00–24:50, closed on the 5th, 15th and 25th of each month (the next day if that is a weekend or holiday).
Manyo Club Minato Mirai is a 24-hour day spa and inn in Shinkō, Naka ward, filled with hot spring water trucked in daily from Atami and Yugawara. Men and women each have three saunas: a dry sauna with automatic löyly and a herbal steam sauna for both, plus a 100 °C-plus super-hot sauna for men and a salt sauna for women. Both sides have cold baths, and an open-air deck with loungers looks toward Yokohama port. Entry from 10:00 is ¥3,500; tattoos are refused.
Yokohama Tennen Onsen Kusatsu is a neighbourhood bathhouse near Keikyū Idogaya station that runs on 100% spring water, a sodium bicarbonate 'black water' onsen. It has a sauna with automatic löyly and a cold bath chilled to 18 °C. Bath-only entry is ¥570; bath plus sauna with a rental towel is ¥870 on weekdays and ¥920 at weekends. Open 12:00–23:00 on weekdays and from 10:00 at weekends, closed Mondays; tattoos are allowed.
Yokohama Spa Hills Ryūsenji no Yu is a large super sento in Shirane, Asahi ward, with natural hot spring water from 2,000 m down and three carbonated baths. Its 'bazooka' löyly sauna runs löyly at the top and half past every hour; men also have a medi sauna and women an aroma salt sauna. There is a super-cold water bath and a cooling area, and Aufguss events are held. Open daily 6:00–1:00; adult entry is ¥980 on weekdays and ¥1,100 at weekends, and the sauna is for over-12s only.
HARE-TABI is a sauna and hostel in Yamashita-chō on the edge of Yokohama Chinatown, five minutes' walk from JR Ishikawachō station. The men's sauna is built around a waterwheel-shaped stove modelled on a steam engine, billed as a first in Japan; the women's sauna has a funnel-shaped stove with self-löyly using Chinese tea. Bathers cool off in a herbal (kanpō) cold bath and a rest area with four kinds of fans. Day visitors need no reservation.
Sauna Yugezō occupies a renovated former ryōtei (traditional Japanese restaurant) near JR Tsurumi station and bills itself as a Finnish-style sauna. A third-party guide describes a sauna with a Harvia stove and push-button self-löyly, a 120 cm deep cold bath, and rest areas both indoors and in a Japanese garden. The same guide lists it as men-only, open 10:00 to 23:00, from ¥1,080 for 40 minutes on weekdays.
RAKU SPA BAY Yokohama is a bathing complex in Yamauchi-chō, Kanagawa ward, reached by free shuttle bus from Higashi-Kanagawa and Yokohama stations. Its golden Cotton Harbor Onsen, a strongly salty spring from about 1,500 m, fills a semi-outdoor bath looking out over Minato Mirai. There is a dry sauna with löyly and a cold bath, plus two bedrock baths and over 10,000 comics. Weekday adult entry is ¥1,540 and weekends ¥2,030; it stays open overnight on Fridays and Saturdays.
RAKU SPA Tsurumi is a large bathing complex in Motomiya, Tsurumi ward, with 15 kinds of bath and sauna, six kinds of bedrock bath and a comic library. The sauna runs automatic löyly every 30 minutes and pairs with Seirin no Mizu, a cold bath with dissolved carbon dioxide; women also have a salt sauna. An artificial, weakly acidic sulphur bath meets hot-spring standards. Adult entry, including bedrock baths and towels, is ¥2,250 on weekdays and ¥2,850 at weekends.
Miurayu Gumyōji is a super sento seven minutes' walk from Gumyōji station, built around a black-water natural mineral spring from 150 m down, heated for bathing and also served carbonated. Its 14 baths and saunas include a far-infrared tower sauna and a relaxation mist sauna, with a cold bath, and the two bath halls swap between men and women every Monday. Open 10:00–23:00 on weekdays and until 24:00 at weekends; entry is ¥980, or ¥1,080 at weekends.
Sky Spa Yokohama is a 24-hour spa on the 14th floor of the Sky Building, linked underground to Yokohama station's east exit. Men have a kelo-wood main sauna held near 90 °C with staff Aufguss and a hinoki self-löyly sauna; women have a Finnish sauna and a steam sauna; both sides have a cold bath. Upstairs, the mixed Sauna Theater is a 65 °C room for 100-plus people, used in house wear. Entry is ¥2,600 on weekdays and ¥3,300 at weekends; no tattoos.
Ofuro no Kuni is a super sento in Shimosueyoshi, Tsurumi ward, and the eastern Japan office of the Japan Sauna Neppa Aufguss Association. Its 87–95 °C far-infrared sauna hosts 'Hama Neppa' towel-waving sessions (¥200 and booked in the men's bath, free for women), alongside a METOS löyly sauna and, for women, an aroma sauna and a salt sauna. The cold bath is 90 cm deep at 17–20 °C. Entry is ¥950 on weekdays and ¥1,100 at weekends.
Yokoyama Yu-Land Tsurumi is a natural hot spring spa in Shimosueyoshi, Tsurumi ward, fed by water of about 40 °C from 1,500 m below the site, with a high-concentration carbonated spring. Its sauna is lined with ocher clay and germanium ore, and the cold bath is kept around 10 °C, one of the coldest in the Kantō region by the venue's account. Open 10:00–24:00 (last entry 23:00); entry with towels and house wear is ¥1,400 on weekdays and ¥1,500 at weekends.
Kiyūkan is a neighbourhood sento in Mutsuura, Kanazawa ward, with a gas-fired dry sauna (extra charge), a cold bath of groundwater chilled to 15–17 °C and an outdoor air-cooling space. Bath entry is ¥570. It currently runs reduced hours, opening only Wednesday and Thursday 13:00–22:00 and Saturday and Sunday 10:00–22:00, and closes Monday, Tuesday and Friday; the last sauna entry is 21:00.
Manten no Yu is a natural hot spring super sento beside Sōtetsu Kamihoshikawa station, decorated as an old Tōkaidō post town. The outdoor rock bath uses spring water drawn on site. The sauna runs automatic löyly every hour, alongside a 50 °C steam room, a mint-scented cold bath and themed löyly events such as roasted-tea löyly. Open 6:00 to 1:00 (last entry 24:30); adult entry is ¥1,100 on weekdays and ¥1,200 at weekends.
Honmoku Yuasobikan is a self-described 'homely' super sento in Chiyozaki-chō, Naka ward. Two themed bath halls swap between men and women on odd and even days. The third-floor Royal Zone adds two outdoor baths, a 100 °C high-temperature sauna, a salt sauna and a 50 °C steam bath. Bath entry is ¥570, and the Royal set with the zone and a towel is ¥900. Open 12:00–24:50, closed on the 5th, 15th and 25th of each month (the next day if that is a weekend or holiday).
Manyo Club Minato Mirai is a 24-hour day spa and inn in Shinkō, Naka ward, filled with hot spring water trucked in daily from Atami and Yugawara. Men and women each have three saunas: a dry sauna with automatic löyly and a herbal steam sauna for both, plus a 100 °C-plus super-hot sauna for men and a salt sauna for women. Both sides have cold baths, and an open-air deck with loungers looks toward Yokohama port. Entry from 10:00 is ¥3,500; tattoos are refused.
Yokohama Tennen Onsen Kusatsu is a neighbourhood bathhouse near Keikyū Idogaya station that runs on 100% spring water, a sodium bicarbonate 'black water' onsen. It has a sauna with automatic löyly and a cold bath chilled to 18 °C. Bath-only entry is ¥570; bath plus sauna with a rental towel is ¥870 on weekdays and ¥920 at weekends. Open 12:00–23:00 on weekdays and from 10:00 at weekends, closed Mondays; tattoos are allowed.
Yokohama Spa Hills Ryūsenji no Yu is a large super sento in Shirane, Asahi ward, with natural hot spring water from 2,000 m down and three carbonated baths. Its 'bazooka' löyly sauna runs löyly at the top and half past every hour; men also have a medi sauna and women an aroma salt sauna. There is a super-cold water bath and a cooling area, and Aufguss events are held. Open daily 6:00–1:00; adult entry is ¥980 on weekdays and ¥1,100 at weekends, and the sauna is for over-12s only.