When visiting Nakanojo, Shima Yamaguchikan is a great choice to consider. You can grab a bite to eat at the coffee shop/café or wind down at the end of the day with a drink from the bar/lounge.
Pros: Perfect place to stay in Shima Onsen. Very friendly personnel. Every evening there is entertainment show. Great baths. Perfect place.
Pros: The onsen is beautiful, staff are excellentCons: Nothing