With the exception of Wilson's Point, both sites are administered by Parks Canada in collaboration with the Friends of Beaubears Island.

The sites retain 200-year-old Eastern White Pines; thus the parks are significant from the perspectives of both human and natural history.

Boishebert brought back a large number of Acadians from the region around Port-Toulouse (St. Peter's, Nova Scotia) to the security of his post at Beaubears Island on the Miramichi River.

For the first half of the eighteenth century, the Fraser shipyard was considered the most important commercial establishment in New Brunswick.

Harley continued to build ships and in 1866 launched what is believed to be the last vessel constructed at Beaubears, the barque La Plata.

In accordance with O'Brien's wishes, the island was willed to Parks Canada and remains an integral part of Canadian history as a whole.