You could get an extra 10% off with Member Prices and collect a stamp for every night stayed. Collect 10 stamps, get 1 reward* night.
If you want to stretch your legs and breathe in some fresh mountain air, head out to Mount Amagidake for a bird's-eye view of Tokunoshima.
Tokunoshima Fruits Garden is 6.5 mi (10.4 km) from central Tokunoshima, why not stop by during your stay.