Acadia National Park - Seawall Campground -$20/Night - On Rte 102A, 4 miles south of Southwest Harbor. 35 min. to most attractions. During late July and Aug, plan to arrive at Seawall early - A line forms each morning. Beginning at 8:30,as campers check out, others from the waiting line are assigned available sites. Heavy fog is common. Camp store ¾ mile up the road has pay showers. At night, walk across the street to Seawall Picnic Area to look at the stars as this is a very dark area.