Boutique Sauna ARCH
Hotel · Shinjuku ·

Boutique Sauna ARCH

Hotel · Shinjuku ·

Stylish sauna and boutique hotel offering private rentals

outdoor space
craft cocktails
group friendly
clean
good location
bar onsite
attentive service
high humidity
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null
Boutique Sauna ARCH by null

Information

Arch Building, 4-1 Tsukudocho, Shinjuku City, Tokyo 162-0821, Japan Get directions

LGBTQ friendly

Information

Static Map

Arch Building, 4-1 Tsukudocho, Shinjuku City, Tokyo 162-0821, Japan Get directions

arch.spa
@arch_kagurazaka
𝕏
@arch_kagurazaka

Features

•LGBTQ friendly

Last updated

Jan 13, 2026

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Boutique Sauna ARCH, a Design Boutique Hotel Tokyo, Japan

"Located in Tokyo, within a 5-minute walk of Kagurazaka Wakamiya Hachiman Shrine and 500 yards of Kosho-ji Temple, Boutique Sauna ARCH provides a bar. With a terrace, the 5-star hotel has air-conditioned rooms with free WiFi, each with a private bathroom. Guests can use the sauna and the spa center, or enjoy city views. Guest rooms will provide guests with a fridge. Popular points of interest near the hotel include Museum of Science Tokyo University of Science, Akagi Shrine and Enpuku-ji Temple. The nearest airport is Tokyo Haneda Airport, 14 miles from Boutique Sauna ARCH." - My Boutique Hotel (en)

https://www.myboutiquehotel.com/en/boutique-hotels-tokyo/boutique-sauna-arch.html
Boutique Sauna ARCH

Colin B.

Google
It really is just staying in a spa when you book here. We were here in cold December and it was so lush every time we'd return to the hotel to find it smelled so nice. And the sauna bed was life changing. This is great place for one or two travelers to have a peaceful home base, and it's pretty central so nowhere in the city is too far away. The only word of caution is that check-in is at 9PM so you may want to plan your travel times to get in around then. Can't wait to come back here as soon as we can.

Jeffrey S.

Google
I stayed here a few months ago. It was my favorite place to stay in all of Tokyo. The owner appeared passionate about design and sauna. The sauna quality was excellent. I hope to stay again.

bas van K.

Google
we couldn’t sleep because it was higher then 35C. In the room. The bed was wet because of the humidity in the room. * The room was sweaty and hot * bed linnen was dirty * no space in the room to move proper with 2 people * The room is not made for a stay for foreigners that travel trough Japan with a lot of luggage. It’s not a pleasant stay for the price we payed we could have more personal service, a convenient bed, not so high humidity and heat in the room and less noise (the airco is blowing on the curtains what makes a horrible sound the whole night).

Muffin W.

Google
Stayed at the junior suite, fantastic atmosphere and sauna. It’s in a very good location and close to the station.

German H.

Google
super expensive, tiny, no cleaning service, checkin at 9pm or pay $200 more. run away

Azusa

Google
Great sauna and super cool design. But hard to fall asleep at night because of the exit light

Jun H.

Google
ARCHサウナは、静かで洗練された空間が本当に素晴らしかったです。デザイン性が高く、細部までこだわりを感じられるサウナ。ロウリュの香りと光の演出で心身ともにリフレッシュでき、時間を忘れて整いました。

KO

Google
神楽坂にあるサウナARCH、初めて行ってみたけどめちゃくちゃオシャレでテンション上がりました！ 内装がスタイリッシュで、サウナ施設とは思えないくらい洗練されていてびっくり。 サウナ室も広くて温度もばっちり、しっかり汗かけて最高でした。 水風呂も気持ちよくて、外気浴のスペースもちゃんとあって…気づけばしっかり整ってました（笑） 全体的に清潔感があって、細かいところまでこだわりを感じるのが好印象です。 友達と一緒に行ったけど、ひとりでも全然楽しめそう。 またリピートしたくなるサウナでした！