Search Kaisei Inns

"Beautiful setting, spa, and food. "

"Highlight of our trip. We had a room with balcony and private onsen. Magical. Food was excellent!"

"Amazing apartment hotel with hot spring hot tub and foot bath on the balcony. Breathtaking view of Lake Ashi, and even though qe "

"As of July 2025 the private onsen are BRAND NEW, the staff told me they just redid them . Do not different than the photos online, but still extremely comfortable. This place is excellent, the staff was very friendly and the room was spacious and so quiet. Very good value"

"One of the most beautiful hot spring resorts I have ever visited in the world. I will be back again to soak up the healing water, admire the stunning view of the Pacific and appreciate the hospitality of the wonderful staff. "

"Very nice employees and hotel. Highly recommended"

"One of the iconic hotels in all of Japan. If you’re in Japan and want to explore the Hakone area, you have to stay here. The service is impeccable, the hotel has 140+ years of history, and the dining choices are superb. Well worth the stay. And did I mention the staff? They welcomed me back (I had stayed years before) as if I were an honored guest. That little item made my day. I will return someday."

"Beautiful onsen, very hiddrn and quiet. Seems like an authentic Japan experience for foreign travelers. Wonderful private hot spring baths. Choice of western or Japanese slerping arrangements. Ie. Beds or futon mats on real tatami floors. The dinner and breakfast alone are worth the stay. Staff is very friendly and helpful. Especially when navigating cultural differences. "

"Very excellent choice for a great birthday week!! "