Answer:
the hotel that is in the opposite side of the shore.
Explanation:
The groin will be a barrier that can be helpful in cases of hurricanes, it can stop the big waves or the effect of the lost of sand because of the storms.
But in the opposite side, the hotel that is in the opposite side of the shore is going to lost waves, and being a hotel in the beach, waves in sea normally is an attraction of the tourists. so being a hotel without waves, could be a non successful business.
Hope this info is useful.