We didn't see anyone with a dog staying at the hotel maybe contact the hotel directly and ask them
Yes their were when we visited, very much so. Would double check though.
They were when it was the Hallmark hotel perhaps best give them a call to see if they still are dog friendly
ホールマーク ホテル & スパ ボーンマスのスタッフや以前の訪問者に質問する。