Have fun in Tokyo
Hot Spring "Aioi-no-Yu"
1200 undergroundmspring forth
Hydrogen carbonate hot springs,
Enjoy the luxury of freshly poured water
THE SPA Seijo Business Information
[Business hours] 10:00-23:00
Last check-in: 22:30 (30 minutes before closing)
[Closing days] Open all year round
[Parking lot] 227 spaces
[Morning bath] 7:00-10:00 (only open on weekends and holidays)
Morning bath Last check-in: 9:30
Pick upPickup
-
The "Private Shelf" is now open as a free space.
There is a space where you can lie down, as well as a new "private shelf" zone where you can enjoy the feeling of being in a hideaway.
-
You can view a list of comics available at our facility! Click here for details!
-
Make effective use of your sofa by creating a sunken relaxation zone: Elevating your legs for relaxation
-
You can see the interior of our facility with the 4K 3D viewer!
Information
-
- May 04st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- We'll be holding an iris bath event on Tuesday, May 5th!
-
- May 01st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Scorching heat wave ♪ Ongoing men's sauna only
-
- May 01st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Golden Week Commuter Ticket Sales Event
-
- May 01st, 2026
- Information regarding special business day rates during Golden Week
-
- May 18st, 2026 News
- [The heat wave event scheduled for April 22nd at 9:00 PM has been cancelled.] [The sauna was restored around April 22nd at 12:15 PM.] Regarding the men's dry sauna.
InformationSee the list
-
- May 04st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- We'll be holding an iris bath event on Tuesday, May 5th!
-
- May 01st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Scorching heat wave ♪ Ongoing men's sauna only
-
- May 01st, 2026 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Golden Week Commuter Ticket Sales Event
-
- May 01st, 2026
- Information regarding special business day rates during Golden Week
-
- May 18st, 2026 News
- [The heat wave event scheduled for April 22nd at 9:00 PM has been cancelled.] [The sauna was restored around April 22nd at 12:15 PM.] Regarding the men's dry sauna.
-
SpaSpa
The natural hot spring at THE SPA Seijo is a bicarbonate hot spring that springs from 1200 meters underground. The mildly alkaline water is gentle on the skin and is known for its high heat retention and moisturizing effects.
SpaSpa
The natural hot spring at THE SPA Seijo is a bicarbonate hot spring that springs from 1200 meters underground. The mildly alkaline water is gentle on the skin and is known for its high heat retention and moisturizing effects.
-
RelaxationRelaxation
THE SPA Seijo offers 4 types of relaxation rooms with different atmospheres.Please enjoy the relaxing and relaxing time to your heart's content.
RelaxationRelaxation
THE SPA Seijo offers 4 types of relaxation rooms with different atmospheres.Please enjoy the relaxing and relaxing time to your heart's content.
-
RestaurantDining room
Spa Dining Ikoi is a restaurant that boasts a wide variety of menu items, including Japanese, Western, and Chinese cuisine. In addition to meals, the restaurant also offers a wide range of drinks and a la carte dishes to brighten up your time after your bath.
RestaurantDining room
Spa Dining Ikoi is a restaurant that boasts a wide variety of menu items, including Japanese, Western, and Chinese cuisine. In addition to meals, the restaurant also offers a wide range of drinks and a la carte dishes to brighten up your time after your bath.
Pick upPickup
-
The "Private Shelf" is now open as a free space.
There is a space where you can lie down, as well as a new "private shelf" zone where you can enjoy the feeling of being in a hideaway.
-
You can view a list of comics available at our facility! Click here for details!
-
Make effective use of your sofa by creating a sunken relaxation zone: Elevating your legs for relaxation
-
You can see the interior of our facility with the 4K 3D viewer!
Restaurant recommendation
Relaxation recommended
AccessAccess
AccessAccess
THE SPA Seijo
3-20-2 Chitosedai, Setagaya-ku, Tokyo
Central Wellness Town 2F
(1st floor Uniqlo)