We enjoyed our stay at Hotel Grand Mer Sankaiso very much. The hotel itself is very nice as was our spacious ocean view room. The onsen was very nice, clean and large. It was a very relaxing experience. We particularly enjoyed the shamisen performance in the lobby the evening we stayed there! The breakfast was good, but we were disappointed in the Earthenware-grilled Shirakami Abalone dinner. It was okay, just not as tasty as other places we have eaten abalone. We would stay there again because it is such a nice hotel, but perhaps try a different meal plan.