A couple waits to cross an intersection on Cottage Street in Bar Harbor in May. You can pay nothing at all if you set up at the first-come, first-served Donnell Pond Public Land in Franklin, about an hour’s drive from Bar Harbor. An exhibit at the Abbe Museum in Bar Harbor in 2021. To save on transportation and parking costs, let the free Island Explorer bus cart you around. You can buy them at Hannaford in downtown Bar Harbor, where they’ll steam them for you at no extra cost.