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To all the guests we have met and the days we have spent together in this town, we offer a special commemorative plan as a heartfelt "Thank You". We are offering a special 20th anniversary plan to our guests.
In addition, we have prepared a "commemorative puzzle" that will be remembered in your hearts and minds in a small way, together with a "puzzle designer" who is the talk of the town on social networking sites. Come and discover the "secret" hidden in the b sangenjaya Period: May 1 - May 31, 2025
Click here for special offersSolve the 20th anniversary "riddle" and get commemorative goods!

Solve the riddle given at check-in and 20 winners will be drawn from those who answer correctly.
the b sangenjaya 20th anniversary limited edition original luggage tag will be given away.
the b sangenjaya 20th anniversary limited edition original luggage tag will be given away.

Designer of riddles
Started working in 2019. A slightly unusual designer who creates, designs, and writes riddles all by himself.
He sends out "problems to end the day on a good note" every night at 23:00. Often people think that his existence is a lie.
Started working in 2019. A slightly unusual designer who creates, designs, and writes riddles all by himself.
He sends out "problems to end the day on a good note" every night at 23:00. Often people think that his existence is a lie.
20th Anniversary! the b sangenjaya people don't know

The only Japanese-style room in the b hotels.
The the b sangenjaya is the only one of the b brand hotels to have Japanese-style rooms.
The charm of this hotel is the relaxing Japanese-style space that makes you want to "lounge on the tatami mats" without a second thought.
The charm of this hotel is the relaxing Japanese-style space that makes you want to "lounge on the tatami mats" without a second thought.


The only Japanese-style room in the b hotels.
The the b sangenjaya is the only one of the b brand hotels to have Japanese-style rooms.
The charm of this hotel is the relaxing Japanese-style space that makes you want to "lounge on the tatami mats" without a second thought.
The charm of this hotel is the relaxing Japanese-style space that makes you want to "lounge on the tatami mats" without a second thought.


A hotel with a "night view"! Guest rooms offer a panoramic view of the Shinjuku buildings
From some of the rooms on the 10th and 11th floors and on the north side, you can see the skyscrapers of Shinjuku in the distance.
On a clear night, you will feel special as if you have the neon-lit cityscape all to yourself.
On a clear night, you will feel special as if you have the neon-lit cityscape all to yourself.



A hotel with a "night view"! Guest rooms offer a panoramic view of the Shinjuku buildings
From some of the rooms on the 10th and 11th floors and on the north side, you can see the skyscrapers of Shinjuku in the distance.
On a clear night, you will feel special as if you have the neon-lit cityscape all to yourself.
On a clear night, you will feel special as if you have the neon-lit cityscape all to yourself.




Secrets of the missing guest rooms
ON THE 3RD TO 5TH FLOORS, THERE USED TO BE THREE SINGLE ROOMS EACH WITHOUT A BATHROOM, WITH A SHARED SHOWER BOOTH OUTSIDE. EVENTUALLY, THESE ROOMS WERE COMBINED WITH THE ADJACENT ROOMS TO FORM TWIN ROOMS, AND ROOMS 6, 9, AND 14 HAVE QUIETLY DISAPPEARED.


Secrets of the missing guest rooms
ON THE 3RD TO 5TH FLOORS, THERE USED TO BE THREE SINGLE ROOMS EACH WITHOUT A BATHROOM, WITH A SHARED SHOWER BOOTH OUTSIDE. EVENTUALLY, THESE ROOMS WERE COMBINED WITH THE ADJACENT ROOMS TO FORM TWIN ROOMS, AND ROOMS 6, 9, AND 14 HAVE QUIETLY DISAPPEARED.