Information in this guide is accurate as of July 2026.
A sento (銭湯) is a neighborhood public bathhouse — cheaper, smaller, and far more low-key than an onsen resort, and often tucked into ordinary residential streets you’d otherwise walk right past. For travelers, sento are one of the most underrated things to do in Tokyo: a genuine slice of local daily life, and increasingly, a serious sauna scene in their own right thanks to Japan’s recent “totonou” (sauna) boom.
The one thing that stops a lot of international visitors from trying a sento is tattoos. Many traditional bathhouses still ban them outright, a holdover from tattoos’ historical association with organized crime. The three sento in this guide are not like that — all three are known, tattoo-friendly spots where ink is welcome in the communal bath, no covering or tape required.
Before you go, it’s worth knowing the basic etiquette every sento expects, since none of it is usually written down in English at the front desk:
- Wash your body thoroughly at the wash stations before getting into any communal bath or sauna.
- No swimwear in the communal bath — it’s bathing in the nude, same as at home.
- Bring your own small towel; sit on it inside the sauna rather than directly on the bench.
- Keep conversation to a low murmur (or stay silent) in the sauna room.
- Don’t wring out or dip your bathing towel into the tub.
- No photography anywhere inside.
- Tie up long hair so it doesn’t touch the water.
- The classic sauna cycle (“totonou”) is sauna → cold plunge → a seated rest outside. Don’t linger in the cold plunge if others are waiting their turn.
Kosugiyu
小杉湯
Area: Koenji, Suginami-ku | Nearest station: Koenji Station (JR Chuo/Sobu Line)
Address: 3-32-2 Koenji-kita, Suginami-ku, Tokyo
Operating since 1933, Kosugiyu is the closest thing on this list to a “classic” sento experience — old-school architecture and atmosphere, in a neighborhood (Koenji) known for its secondhand clothing shops and indie music scene, making it a natural pairing with a day spent browsing Koenji’s vintage stores.
- Price: Budget — the Tokyo-regulated standard sento rate, approx. ¥550
- Tattoo policy: Tattoo-friendly — tattoos are allowed in the communal indoor bath, no covering required
What makes it different: The most historic, most “local” atmosphere of the three — this is what a Tokyo sento looked like for most of the last century, still fully in operation and popular with both longtime residents and visiting sauna fans.
Koganeyu
小金湯
Area: Sumida-ku | Nearest station: Kinshicho Station (JR Sobu Line, north exit), ~6 min walk
Address: 4-14-6 Taihei, Sumida-ku, Tokyo
A stylishly renovated “design sento” — the opposite end of the spectrum from Kosugiyu’s old-school charm. Clean modern interiors and a genuinely well-regarded sauna setup have made it a favorite with a younger local crowd as well as dedicated sauna enthusiasts.
- Price: Budget–Mid — standard sento base rate plus a sauna surcharge
- Tattoo policy: Tattoo-friendly — popular specifically with international visitors and sauna enthusiasts
What makes it different: Koganeyu runs separate sauna setups — a self-löyly sauna (women) and an auto-löyly barley-stone sauna (men) — so if you’re specifically chasing a serious modern sauna session rather than just a bath, this is the strongest pick of the three. Note that löyly etiquette applies (don’t pour water on the stones without checking with other guests first).
Daikoku-yu (Oshiage)
大黒湯
Area: Oshiage, Sumida-ku | Nearest station: Oshiage Station (Tobu Skytree Line / Toei Asakusa Line), ~6 min walk
Address: Near Oshiage Station, Sumida-ku, Tokyo
The draw here is the view: a rooftop open-air bath (rotenburo) that faces Tokyo Skytree directly. It’s a neighborhood sento first and foremost, but the rooftop bath makes it worth the detour if you’re already sightseeing around Skytree.
- Price: Budget — standard sento base rate
- Hours: Weekday 15:00–10:00, Sat 14:00–10:00, Sun/Holidays 13:00–10:00 (hours reported vary by source — reconfirm locally before visiting)
- Tattoo policy: Tattoo-friendly — tattoos are allowed in the communal bathing areas
What makes it different: The only one of the three with a rooftop open-air bath, and the only one with a genuine only-in-Tokyo view — soaking with Skytree lit up in front of you is not something you can do anywhere else on this list.
Planning your visit
All three are spread across different parts of Tokyo rather than clustered together, so pick based on what else is on your itinerary that day: Kosugiyu pairs naturally with a Koenji vintage-shopping afternoon, while Koganeyu and Daikoku-yu are both a short ride from Skytree/Oshiage if you’re sightseeing on that side of the city.
Budget roughly ¥550–1,200 per visit depending on the spot and whether you add a sauna surcharge, and bring a small towel and coins — some smaller sento are still cash-only.
Photo credits: Tokyo Skytree photo by Aimaimyi (CC BY-SA) — all photos via Wikimedia Commons.
Sources: Tattoo Friendly Onsen, Koganeyu official site, Lakrasse Guidebook.
Comments