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
Tokyo, Shibuya-ku, 5-6-14 Sendagaya, Y.B. Mansion 2F
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 property has no staffed front desk. Check-in is from 4:00 PM to 8:00 PM; check-out is by 10:00 AM. For arrival after 8:00 PM, please notify saun9ne@gmail.com in advance. For overnight stays, please follow your booking confirmation email and send information for every guest to saun9ne@gmail.com by the day before check-in. If your booking is confirmed the day before arrival or later, please submit it immediately after confirmation and before entering the property. After verifying the information, our staff will separately send entry instructions and the access code to the email address used for your booking. The automatic arrival-day email does not contain the access code. Entry is available from 4:00 PM only after verification and room preparation are complete. No specific check-out procedure is required. If you have any questions or have not received the instructions, please contact the address above.
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.
Amenities and what to bring
Toothbrushes, face and bath towels, shampoo, conditioner, body soap, and a hair dryer are provided. Please bring your own hairbrush, razor, sleepwear, and swimwear for sauna use.
