Japanese
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
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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.
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Make effective use of your sofa by creating a sunken relaxation zone: Elevating your legs for relaxation
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You can see the interior of our facility with the 4K 3D viewer!
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Why do not you start living at THE Seijo no Yu?
Information
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- November 2025, 12 Recommended plan setRestaurant recommendation
- We have a banquet plan with all-you-can-drink! Great news from Restaurant Iki!
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- November 2025, 12 イ ベ ン ト ・ キ ャ ン ペ ー ンRestaurant recommendation
- Beaujolais is now available at Restaurant Ikoi ♪
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- November 2025, 11
- Shower Faucet Piping Replacement Work Completed
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- November 2025, 11 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Scorching heat wave ♪ Ongoing men's sauna only
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- November 2025, 11 Recommended plan setRelaxation recommendedRestaurant recommendation
- Weekday-only special course♪
InformationSee the list
-
- November 2025, 12 Recommended plan setRestaurant recommendation
- We have a banquet plan with all-you-can-drink! Great news from Restaurant Iki!
-
- November 2025, 12 イ ベ ン ト ・ キ ャ ン ペ ー ンRestaurant recommendation
- Beaujolais is now available at Restaurant Ikoi ♪
-
- November 2025, 11
- Shower Faucet Piping Replacement Work Completed
-
- November 2025, 11 イ ベ ン ト ・ キ ャ ン ペ ー ン
- Scorching heat wave ♪ Ongoing men's sauna only
-
- November 2025, 11 Recommended plan setRelaxation recommendedRestaurant recommendation
- Weekday-only special course♪
Restaurant recommendationSee the list
-
- November 2025, 12 Recommended plan set
- We have a banquet plan with all-you-can-drink! Great news from Restaurant Iki!
-
- November 2025, 12
- New menu
Relaxation recommendedSee the list
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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.
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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.
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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.
-
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!
-
Why do not you start living at THE Seijo no Yu?
Restaurant recommendation
Relaxation recommended
AccessAccess
AccessAccess
THE SPA Seijo
3-20-2 Chitosedai, Setagaya-ku, Tokyo
Central Wellness Town 2F
(1st floor Uniqlo)
Recruiting members!
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