[1] The museum is located on the south side of United States Route 1 in the rural village center of Grand Isle.

The central section has three double-door entries, each surmounted with a half-round window, and topped by a gable at the first floor level.

[2] The upper Saint John River valley was settled by Acadians in the early decades of the 19th century, before the border between Maine and New Brunswick was fixed.

Acadians on the south side petitioned the Roman Catholic Diocese of Fredericton for their own church, which was built in 1848.

The former church now houses a collection of artifacts related to the Acadian history of the area, and is the site of cultural events.