
Gender-separated high-temperature sauna / The largest open-air sauna in the Akihabara area / Maximum relaxation




Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Enhance your immunity in the large public bath! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Hours】 15:00–10:00 the following morning (sauna closed from 1:00–5:00). ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥100
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Boost your immune system with the large public bath and a breakfast featuring local specialties! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Time】3:00 PM to 10:00 AM the next day (Sauna unavailable from 1:00 AM to 5:00 AM) ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Breakfast 【Content】Local specialties and small bowl tasting alley (small bowl buffet) 【Time】6:30 AM to 9:15 AM (Last entry at 9:00 AM) ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥100
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Semi-double room, Non-smoking (Non-smoking Small Double 14 square meters [Simmons Bed Width 120])




Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Enhance your immunity in the large public bath! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Hours】 15:00–10:00 the following morning (sauna closed from 1:00–5:00). ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥100
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Boost your immune system with the large public bath and a breakfast featuring local specialties! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Time】3:00 PM to 10:00 AM the next day (Sauna unavailable from 1:00 AM to 5:00 AM) ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Breakfast 【Content】Local specialties and small bowl tasting alley (small bowl buffet) 【Time】6:30 AM to 9:15 AM (Last entry at 9:00 AM) ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥200
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Double room, Western or Japanese room, Non-smoking (Non-smoking Japanese-style double room, 14 square meters [Simmons bed width 140])




Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Enhance your immunity in the large public bath! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Hours】 15:00–10:00 the following morning (sauna closed from 1:00–5:00). ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥100
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 04/02/2026 23:59(JST)
Dormy Inn's pride, the large bath & sauna, is open every day!! Boost your immune system with the large public bath and a breakfast featuring local specialties! For pro sauna enthusiasts, The large bath and sauna at Dormy Inn, which have been praised as 'overflowing with sauna love.' We invite Dormy Inn guests to enjoy the sauna comfortably and relax at their leisure! What does 'totonou' mean... By alternating between sauna → cold bath → outdoor air bath several times while consulting your physical condition, It results in an 'extremely pleasant sensation' and an 'indescribably refreshing state'. will be achieved, and this experience is referred to as 'totonou.' ◆Suehiro no Yu 【Location】9th Floor 【Time】3:00 PM to 10:00 AM the next day (Sauna unavailable from 1:00 AM to 5:00 AM) ■ Men's large bath Indoor bath, open-air rock bath, open-air pot bath, cold bath, high-temperature sauna ■ Women's large bath Indoor bath, open-air rock bath, open-air pot bath, high-temperature sauna (※No cold bath) ※Cleansing products, toner, and lotion are also available. ◆Restaurant HATAGO 【Location】1st Floor ■Breakfast 【Content】Local specialties and small bowl tasting alley (small bowl buffet) 【Time】6:30 AM to 9:15 AM (Last entry at 9:00 AM) ■Free Yonaki Soba service■ Very popular!!Enjoy a complimentary light soy sauce ramen!! Please enjoy it! 【Time】Every day 21:30〜23:00 *Availability is limited. 【Reservation Notes】 ◆Children Bed-Sharing w/Guardian Children sharing a bed with a guardian are limited to one child per bed, and a separate facility usage fee will be charged. Reservations exceeding the above conditions will require booking an additional room. Please note that although the reservation system allows the input of multiple bed-sharing w/guardian individuals, only one person is permitted per bed. Age 0-2: Free / Age 3 to elementary school: 3,000 yen ※Maximum Capacity ■Double Room, Queen Room (1 Bed Type) Two adults, up to one bed-sharing w/guardian ■Twin room (2-bed type) Up to 2 adults and bed-sharing w/guardian for 2 children
Consumption tax (from 01/10/2019) (Per person per night) 10%
Accommodation tax (from 01/10/2002) (Per person per night)¥200
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Standard Double room, Non-smoking (Non-smoking double 14 square meters [Simmons bed width 140])