This article provides a complete list of sauna facilities in Oiso, Shonan, all in one place! From locations to unique features, we’ll explain each facility in a clear and easy-to-understand way.
▼See the full list of saunas across the Shonan area here!
＞＞【Complete Guide】All Sauna Facilities in Shonan Area
Sauna Facilities in Oiso Town
Hotels
① Oiso Prince Hotel
The sauna at Oiso Prince Hotel is known for offering multiple sauna experiences with different temperatures. Guests can enjoy five unique facilities: the Panoramic Sauna (40–50°C) with breathtaking views of Mt. Fuji and Sagami Bay, a Bedrock Bath Room (approximately 55°C), the Tepidarium Sauna (approximately 35°C) filled with soft lighting and aromatic scents, an authentic Finnish Sauna (80–100°C), and an Ice Room (10–15°C).
The spa area also features three relaxation spaces: the Fireplace Lounge, where guests can unwind around a cozy fire; the Thermal Terrace, overlooking the ocean horizon; and the Fuji Terrace, offering stunning views of Mt. Fuji. By alternating between different saunas and relaxation areas, guests can enjoy a variety of unique wellness experiences.
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【Oiso Prince Hotel】
■ Business Hours: 06:00–24:00
■ Closed: None
■ Fee:
Weekday-only, reservation-required day spa plan: ¥4,500
(SEIBU PRINCE CLUB Members: ¥4,000)
※ Available from April 15, 2024 (Mon) to June 28, 2024 (Fri)
■ Open-Air Bath: Yes
■ Sauna: Yes (Average 90°C)
■ Cold Bath: Yes (Average 20°C)
■ Outdoor Relaxation Area: Yes
■ Towel Rental: Free
■ Credit Cards: Accepted
■ Cashless Payment: Accepted
■ Sauna Ikitai: https://sauna-ikitai.com/saunas/2385
■ Official Website: Oiso Prince Hotel
■ Official Instagram: oisoprincehotel
■ Official Facebook: Oiso Prince Hotel & Oiso Long Beach
■ Parking: Available (¥1,000 per night)
■ Access:
・Take a local bus from Oiso Station to Oiso Prince Hotel (approx. 13 minutes)
・Take a local bus from Oiso Station and walk approximately 5 minutes from Oiso Prince Hotel Entrance bus stop
■ Address: 546 Kokufuhongo, Oiso-machi, Naka-gun, Kanagawa 259-0193
Super Sento
No facilities available
Public Bathhouses
No facilities available
Private Saunas
No facilities available
Vacation Rentals
② a OISO La
a OISO La is a fully renovated 50-year-old single-story vacation rental in Oiso, featuring an authentic Finnish wood-fired sauna and panoramic views of Sagami Bay.
At the back of the wooden deck surrounded by greenery is a small sauna cabin. The sauna has three seating levels, allowing guests to choose their preferred heat intensity. Self-service löyly is also available, enabling guests to adjust the temperature and humidity to their liking.
After the sauna, guests can rinse off in the shower located right next to the sauna and relax on the scenic wooden deck overlooking the ocean while listening to birds singing and enjoying the fresh outdoor air.
【a OISO La】
■ Business Hours: 16:00–20:00
■ Closed: None
■ Fee: From ¥92,423 (Rates vary depending on the date)
■ Open-Air Bath: No
■ Sauna: Yes (Average 90°C)
■ Cold Bath: No
■ Outdoor Relaxation Area: Yes
■ Towel Rental: Free
■ Credit Cards: Not Accepted
■ Cashless Payment: Not Accepted
■ Sauna Ikitai: https://sauna-ikitai.com/saunas/81086
■ Official Website: a OISO La
■ Official Instagram: a.oiso.la_1965
■ Official Facebook: a OISO La
■ Parking: Available
■ Access: Approximately 15 minutes on foot from JR Oiso Station
■ Address: 955-5 Higashikoiso, Oiso-machi, Naka-gun, Kanagawa 255-0004
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▼The Japanese version of this article is here!
>>【2026年最新】湘南・大磯町にあるサウナ施設一覧【完全版】
I am deeply passionate about the Hanshin Tigers.
My dream is to own a house along Katase Beach.
Special skills: saving money, and making blunders at drinking parties.
