Try The White Barn Inn at Kennebunkport, ME. The food is outstanding. I ate there 3 days in a row recently. Or use Open Table. Plug in the time and # of people and you will get a list of available tables. You can click on the restaurant that interests you and review their menu.
The White Barn Inn @ 37 Beach Ave., Kennebunk, ME 207 - 967 - 2321.
The White Barn Inn
37 Beach Avenue, Kennebunk Beach, ME 04043