Is there a email for the general manager
Not sure. Email the hotel asking if there is one or mark it for his attention
I would do what Mark B replied. Their manager is very good in relying to emails, if he is still there. Good luck!
Not sure but there must be
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。