you may get to Hotel from Sendai station by bus easily and convenience.
1.location of bus station at Sendai Station(仙台), see an attaced picture.
No.21 to Ishinomaki.
2. bus fare is JPY800, it takes for nearly one hour to "Ishinomaki Eon mall" and get off.
3. You may walk to Hotel about 600m from there. If you carry lagages, you may also go by taxi.
enjoy your trip!