I appreciate you are trying to get the lingo right and that's the only reason I want to tell you we'd say "where downeast," not "where in downeast".

If it were me starting to look from scratch I'd be looking at anywhere downeast of Bar Harbor/Acadia, in other words, I'd look at Washington County. Maybe don't rule out places a little further inland from the coast than what you circled in the other post.

I'm not giving you a hard time about your question because it's fine to ask a question like that. I wish I had an answer for you because it's a shame there are so few inexpensive options other than camping (which maybe you should consider) in the summer for people who don't have money to throw away but want to visit.

Have you considered looking up in northern Maine? There are more likely to be bargains in Aroostook County or at the lakes in central Maine or the mountains in western Maine. It's also beautiful and cooler than Philly up there, and you can easily do occasional day trips to the coast.