Seawall Campground
Southwest Harbor, ME
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Amenities, activities and location
Getting there
THE CAMPGROUND CANNOT PROCESS MAIL. IF YOU NEED TO RECEIVE MAIL, IT'S BEST TO HAVE IT SENT TO "GENERAL DELIVERY" AT A NEARBY POST OFFICE., Southwest Harbor, ME, US
About this campground
For Seawall campsites, 90 percent of campsites are released six months in advance on the first of each month at 10 am EST. The remaining 10 percent are released at 10 am 14 days ahead of a desired arrival date on a rolling basis. For example, if you plan to arrive on May 24, you can make an online reservation starting at 10 am EST Dec 1 from the first release or starting at 10 am EST on May 10 from the second release. All campsite reservations must be made through recreation.gov. 90% of campsites are available six months in advance, and released on a monthly basis as described above. 10% of campsites are available at 10:00 a.m. EST.
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fourteen (14) days in advance of the desired reservation date. Visitors are able to make same day reservations if campsites are available. All reservations must be made through recreation.gov. Reservations cannot be made through the campground office or in-person.
Where to book
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Seawall Campground
Last checked Feb 2026
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How complete and verified is this campground?
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BasicLevel 1Some basic info added0 – 20% completeCompleted
DetailedLevel 2More details verified44% completeCurrent level
PromotedLevel 3Most details verified80 – 100% complete
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