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Seawall Campground

NPSNational Park Service — Maine · Acadia National Park

AgencyNPSNational Park Service
AreaAcadia National Park
LocationMaine · Acadia National Park · 44.23861, -68.30278 · Map
Sites178 public sites counted from the federal listing — 82 walk to; 38 tent only nonelectric; 32 rv nonelectric; 21 standard nonelectric; 5 group tent only area nonelectric
Getting a siteReservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below.
HookupsElectric at 0 of 178 sites
Water hookups at 0 of 178 sites
Sewer hookups at 0 of 178 sites
Full hookups (all three at one site) at 0 of 178 sites
Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way.
Max RV lengthLongest reported site fits 35 ft
Sites that fit at least — 25 ft: 38 sites · 30 ft: 38 sites · 35 ft: 19 sites · 40 ft: 0 sites
Months openNot in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov.
FeesPark entrance fees are separate from campground fees. An entrance pass is required in the park and while staying in the campground. Acadia National Park charges the following entrance fees: $35 per vehicle, $30 per motorcycle, or $20 per pedestrian/cyclist. Visitors may purchase the Acadia National Park annual pass for $70. Buy your Acadia National Park pass online at www.recreation.gov .
Check-in / outIn 12:00 PM · Out 10:00 AM (most common in the listing)
PetsAllowed at 210 sites, as reported
Accessible sites13 marked accessible in the listing
AccessibilityN
Phone207-244-3600 - F.A.Q.S = (GO.NPS.GOV/ACADIACAMPING)

Check availability & book on Recreation.gov →

This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-07-22.

From the official listing

Overview 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. 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.

Recreation From gentle walks along the rugged coastline, mountain hikes, tree lined carriage roads for biking and lakes for kayaking and canoeing, Acadia offers many opportunities to get outside and be active.

Park rangers at Acadia offer a variety of programs to suit every interest and activity level. Programs include walks, talks, hikes, narrated boat cruises, bike rides and more. Kids age 6-12 love Acadia's Junior Ranger Program.

A 27-mile, historic loop road system offers outstanding views of the park's ocean shoreline, coastal forests and mountain silhouettes.

Facilities The majority of this family-oriented campground's sites are for small and large tents; some sites can accommodate RVs up to 35 ft. in length. Maneuvering RVs in the campground can be very difficult. Seawall Campground was not designed to accomodate large RVs and trailers. Please read campsite details and warnings carefully before reserving a site. Accommodations cannot be made for RVs or trailers that do not fit in reserved sites.

Flush toilets, running water and a dump station are provided, as are picnic tables and fire rings. Roads are paved. A picnic area is located on the shore across from the campground entrance.

***Fee shower facilities and camping supply stores are located 1 mile from the campground. There are no showers in the campground. The use of portable showers is prohibited.***

Natural Features Southwest Harbor is located on the west side of Mount Desert Island. The west side of the Island is considered the "quiet side" of Mount Desert Island. All the sites at Seawall Campground are wooded and within a 10-minute walk to the ocean. There are many beautiful and quiet hiking trails on this side of the Island, as well as Echo Lake, a wonderful lake for swimming, fishing, canoeing, kayaking and picnics. Acadia is comprised of a cluster of islands on the Atlantic coast of Maine. Mountains, lakes, streams, wetlands, forests, meadows and beaches are all found within roughly 50,000 acres comprising Acadia.

Contact Info For facility specific information, please call (207) 244-0069. Nearby Attractions Acadia National Park is surrounded by scenic island harbors and quaint towns. Mount Desert Island, the Schoodic Peninsula, and Isle au Haut offer plenty of visitor services including restaurants, shops, museums, and tours. Please check with local Chambers of Commerce for more information.

Charges & Cancellations In addition to the changes and cancellations outlined in the reservation rules above, a no-show refers to a camper who does not arrival at the campground and fails to cancel their reservation by check-out time on the day after their scheduled arrival.

If you have not arrived by 10:00am EST the day after your scheduled arrival, your reservation will be canceled and incur a $20.00 service fee along with forfeiting the first night’s camping fee.

 Early Departures

If you choose to check out of your campsite early, you must notify us in person at the Campground Ranger Station before 10:00am EST to receive a refund for your remaining nights. If you check out after 10:00am EST, you will not receive a refund for that night.

Directions, from the listing

From Boston, take I-95 north to Augusta, Maine, then Route 3 east to Ellsworth and on to Mount Desert Island.

For an alternate route, continue on I-95 north to Bangor, Maine, then take Route 1A east to Ellsworth. In Ellsworth, take Route 3 to Mount Desert Island. At first traffic light on Mount Desert Island, bear right onto Route 102. Stay on 102 for approximately 11.5 miles. You will pass through Somesville and the town of Southwest Harbor. As you leave Southwest Harbor, keep right on Route 102 and travel through Bass Harbor. You will pass through Bass Harbor and keep left onto 102A. Campground approximately 2.4 miles. Campground entrance is on the left. Note: Detour in place.

Nearest federal campgrounds

NPSNational Park ServiceBlackwoods Campground
7 mi straight-line · Maine
NPSNational Park ServiceSchoodic Woods Campground
15 mi straight-line · Maine
NPSNational Park ServiceDuck Harbor Campground
23 mi straight-line · Bar Harbor Maine
NPSNational Park ServiceKatahdin Woods & Waters National Monument Camping
133 mi straight-line · Patten Maine
FSU.S. Forest ServiceHastings Campground
133 mi straight-line · Maine

Trip Card — Seawall Campground

Maine · Acadia National Park

AgencyNPS · National Park Service
LocationMaine · Acadia National Park
FeesPark entrance fees are separate from campground fees. An entrance pass is required in the park and while staying in the campground. Acadia National Park charges the following entra…
Getting a siteReservable
HookupsNone reported
Max RVUp to 35 ft
Months openNot in federal data
Sites178 sites

Book: recreation.gov/camping/campgrounds/234674 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.