I agree with mcdude with one caveat. Whenever i go to Ogunquit I make sure to work around high tide the best I can. When it's high tide that beach gets awfully small and crowded. When I go there I like to go to Little Beach, just south of the main beach...a short walk along the Marginal Way.
Little Beach:
http://www.flickr.com/photos/ogunqui...7623644486672/