Exclusive One-Group-Per-Day Stay Plan (with Private Sauna)
【Limited-time discount|Get ¥10,000 OFF Your Stay!】
A special evening stay at sauna 9 Tokyo Kitasando – From 4:00 PM.
From the moment you open the door, a journey of “totonou” begins—where your mind and body are gently released from the weight of daily life.
In this private space separated from the ordinary, you can fully immerse yourself in the sauna experience.
Take your time to savor the deep sense of reset that gradually soothes both body and soul.
But the true charm of this space lies not just in sweating it out—it's a place to talk, laugh, and connect deeply with someone important.
A sanctuary for both relaxation and meaningful time together.
After freeing your mind and body in the sauna, the experience continues with restful moments in a cozy, comfortable room.
Enjoy an intimate time with your loved one, undisturbed by the outside world.
This is more than just a sauna—it’s a luxurious retreat.
The space blends soft lighting and traditional Japanese elements, offering a peaceful atmosphere even during the day.
With the option for self-loyly, let the steam gently wrap around you, melting stress and softening your thoughts.
In this serene environment, create unforgettable memories with someone special.

Two spacious bathtubs—Hot and Cold.
Enjoy a warm soak or refresh in the chilled cold plunge bath, maintained at the perfect temperature with a water chiller.
This is the true definition of bliss.
The ability to switch between hot and cold baths lets you regulate your body temperature and achieve the ultimate relaxation experience.

A hidden oasis in the heart of the city.
Our outdoor relaxation area, enclosed by high walls, feels like a secluded retreat.
As the wind gently brushes your skin, even the distant city sounds transform into soothing background music.
It’s a space that offers the same sense of freedom as being deep in a forest.
“Just rest.”
Something so simple—and yet so luxurious.
This is what the sauna 9 overnight sauna experience is all about.
Let this private sanctuary heal your mind and body, and recharge you for the days ahead.
For recommended ways to spend your stay and nearby dining options, please see the link below.
Facility Information
Access
TokyoShibuya-ku2F Y.B. Mansion, 5-6-14
Important Notes
Check-in / Check-out
Check-in
16:00 ~ No limit
Check-out
~10:00
Policy
Cancellation Policy
Facilities & Services
Room Facilities & Amenities
Amenities / Facilities / Bathroom
Facility Precautions
How many people can stay at most?
There is one queen bed and two sofa beds, so the space can accommodate up to 4 guests. The room is designed for 2 people by default, so it may feel a bit cramped with 3 to 4 guests. Please note: The sofa beds are a compact type, each 80 cm wide (semi-single size).
Are pets allowed to stay?
We’re sorry, but pets are not allowed.
Are parties or events allowed?
Parties and events are not permitted. To respect our neighbors, noise is strictly prohibited between 8:00 PM and 7:00 AM. Commercial photography is allowed.
About Check-in / Check-out
Our facility operates without on-site staff, so there is no front desk. Check-in instructions will be sent via email prior to your stay. No specific check-out procedure is required. If you have any questions, please feel free to contact us at: saun9ne@gmail.com
Is the facility non-smoking?
The entire facility is non-smoking. Please refrain from using any devices or cooking methods that produce smoke or strong odors, as this may trigger the fire alarm. If smoking or prohibited use is detected, a full cleaning fee will be charged for deodorizing the room.






