Stay with ¥1,000 Hotel Credit (Room Only / Spa Not Included)

Enjoy meals and activities with your hotel credit!

Receive ¥1,000 worth of hotel credit per person per night! You can use it at the hotel’s restaurants, for spa admission or treatments, drinks within the spa area, hotel shop purchases, golf, and more.

Check-in 4:00 P.M.／Check-out 10:00 A.M.

Period:

Tuesday, September 16, 2025–Wednesday, March 31, 2027

Exclusion dates: Saturday, July 4, 2026 – Sunday, September 27, 2026
* Seibu Prince Global Rewards (SEIBU PRINCE CLUB) members save over 5% compared to standard rates! Membership is free. For registration details, see the information at the bottom of the page.

About the Hotel Credit (In-House Voucher)

This plan includes a ¥1,000 hotel credit (in-house voucher) per person per night.
It can be used for dining at restaurants, spa bar drinks, sports activities such as golf and tennis, and other in-house facilities of your choice.

Hotel Credit (In-House Voucher) – Available Locations
– S.DINING (Spa Tower 1F)
– Chinese Restaurant “SOU” (Guest Room Tower 1F)
– THERMAL SPA S. WAVE(Spa Tower 3-4F)
– SEA VOYAGE SHONAN SALON (Spa Tower 4F)
– Oiso Golf Course (outdoor facility within the premise)
– Tennis Court (outdoor facility within the premise)
– Futsal court (outdoor facility within the premise)
– Hotel Shop (Guest Room Tower 1F)
*Please note that advance reservations are required when using SEA VOYAGE SHONAN SALON and sports facilities.

Terms of Use
– Each voucher is worth ¥1,000.
– Valid until the check-out date.
– No change will be given.
– Cannot be exchanged for cash or other forms of value.
– Hotel credits (in-house vouchers) are not eligible for Prince Points.

Hot Spring Information

During your stay, you can enjoy the hot springs on the 3F ONSEN Floor of “THERMAL SPA S.WAVE.” Relax in the open-air and indoor baths fed by the mineral-rich “Oiso Onsen,” known for its body-warming salt content, while taking in the liberating view of the Pacific Ocean.

About “THERMAL SPA S.WAVE”

This plan grants access only to the hot spring floor on the 3rd floor. Guests aged 12 and older who wish to use the spa floor on the 4th floor will be charged a separate fee.
■Fee(per guest/aged 12 or over)
Customers who apply for the option when making a reservation for 1 night: ￥1,600 / 1 night
Apply on the day of use: ¥2,000 per night

• Children cannot use spa or restaurant alone. Children must be accompanied by a parent or guardian.
• The Spa floor on the 4th floor is a swimwear area. Please bring your own swimsuit or purchase one at the reception desk.
• For extended use before check-in or after check-out, an additional fee of ￥1,000 will be charged.
• Tattooed persons are not allowed to enter “THERMAL SPA S.WAVE”.
• Diaper-wearing guests are not allowed to use the spa and hot springs.

About the Breathtaking View Experience with Children