Sanyo-so  

Perched in Izunagaoka (Izunokuni) on Izu, Sanyo-so sits about 2 km from the city center. Nearby draws include the Katsuragiyama Ropeway, Nirayama Furnace, Izu World Hawaiians and Awashima Marine Park—perfect for quick day trips.

This five-star ryokan blends classic Japanese touches with modern comfort. There are 36 air-conditioned rooms with refrigerators, in-room massages and safes. The entire property is non-smoking and features a garden and hot springs for slow, restorative mornings.

Soak in the hot springs, stroll the garden, or book an in-room massage. Onsite options include a restaurant and a coffee shop/café for snacks and casual breaks.

Event-ready facilities total 1,658 sq ft (154 sq m) of conference space. Free self parking is available onsite.

The ryokan's restaurant serves breakfast and dinner, and a coffee shop/café is on hand for lighter bites.