Oninosumika offers 9 air-conditioned accommodations with iPads and free minibar items. 50-inch LCD televisions come with cable channels.
Bathrooms include separate bathtubs and showers with rainfall showerheads, spring water baths, bathrobes, and slippers. Guests can surf the web using the complimentary wireless Internet access (speed: 100+ Mbps (good for 1–2 people or up to 6 devices)). Additionally, rooms include safes and complimentary bottled water.