Restaurants that only serve breakfast and lunch seem to deserve their own special classification in Maine. I’d personally like to see more late-late night restaurants, places where you can get a good meal like at 11 or 1. The night has a special quality. And when I’m sleepless and just want to get out it’s great to get out to a public place at like 12:30 and to be surrounded by the noise of a restaurant kitchen.
The Bayou Kitchen looks good. I’ve never been there, though it’s nearby. Here’s their web site: