I live in connecticut but I was recently in Maine for vacation for a week. In Portsmouth right off the highway there is a plaza with like barnes and noble in it, best buy and such. Well in there next to dick's was a place called pet quarters.
It seemed very nice, as soon as I walked in several employees greeted me within the first 5 minutes. Their tanks were very nice and clean and they had 2 people working over in that section. The fish seemed healthy and they had quite a bit to choose from. If I moved to Maine I would give this store a shot.