Within Acadia National Park, Seawall Campground occupies the quieter southwestern shore of Mount Desert Island, managed by the National Park Service across four distinct loops. The campground sits directly across from a rocky seawall where Atlantic waves crash against granite ledges, creating tide pools that draw explorers at low water.
Loop D contains walk-in tent sites that require carrying gear from parking areas, with wheelbarrows available near restrooms to assist campers. LoneCamper C. notes that "sites A-1 is hands down the closest to the ocean by just a bit," while sites like A-18, A-28, and A-33 offer flatter ground and better spacing. Loop B provides drive-in options, though some interior sites can flood during heavy rains. Loop C accommodates RVs up to 35 feet but lacks the forest character of the tent loops.
The campground operates without shower facilities or cell service. Pay showers cost $1.50 for two minutes at a store roughly two miles toward Southwest Harbor. Water spigots and modern restrooms serve each loop, with daily cleaning maintaining cleanliness standards. Fire rings accommodate generous amounts of wood, with free bundles available at designated pickup points marked on campground maps.
Bass Harbor sits two miles west, providing the closest village amenities and reliable wifi behind the public library where campers often park to connect. The Island Explorer shuttle system links Seawall to Bar Harbor and major park attractions, though the 50-minute ride makes having a vehicle more practical for accessing trails on the eastern side of the island. Gene Z. emphasizes bringing "bug spray" as mosquitoes are persistent throughout the camping season.
Reserve sites well ahead for the May through September season, particularly for the more private walk-in locations in Loop D.
Description
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.
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.
Contact Info
For facility specific information, please call (207) 244-0069.
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 nights camping fee.__Early DeparturesIf 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.
Fee Info
Park 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.
RV Road Trip Guides
Location
Public CampgroundSeawall Campground — Acadia National Park is located in Maine
Directions
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.
Address
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.
ME
Coordinates
44.2386111 N
68.3027778 W
Connectivity
- T-MobileNo CoverageVerified by 4 usersLast on 4/26/26
- VerizonLTESome CoverageVerified by 3 usersLast on 4/26/26
- AT&T5GGood CoverageVerified by 4 usersLast on 4/26/26
Connectivity
- T-MobileNo CoverageVerified by 4 usersLast on 4/26/26
- VerizonLTESome CoverageVerified by 3 usersLast on 4/26/26
- AT&T5GGood CoverageVerified by 4 usersLast on 4/26/26
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
- Hike-InBackcountry sites.
- Boat-InSites accessible by watercraft.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
- Cabins
- Tent Cabin
Features
For Campers
- Trash
- Picnic Table
- Phone Service
- Reservable
- Drinking Water
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Pull-Through Sites
Drive Time
- 1 hr 8 min from Bangor, ME
- 2 hrs 28 min from Lewiston, ME
- 3 hrs 5 min from Portland, ME
- 4 hrs 8 min from Manchester, NH






















































