Reservations NEW . Online Reservations for Blackwoods Campground are available here . This is run by the park service, and allows you to reserve some space up to five months in advance, starting on the fifth of each month. You can read detailed information on the campground here, and find out if any reservations are free, how much they cost, get detailed directions and find out if any tours are available. If you wish to camp at Blackwoods Campground from June 15-September 15, you may reserve sites through Biospherics.
Fees vary during the off season.
Reservations received more than two weeks in advance will be returned. Cancellations made on the day of arrival will be charged an additional one night camping fee. Seawall Campground Seawall Campground is located on Route 102A four miles south of Southwest Harbor. It is open from late May until late September and operates on a first come, first served basis. During late July and August, plan to arrive at Seawall early in the morning.