Browse Real Estate Listings For rent in Campobello Island, New Brunswick or list your own. Advertise, sell your property, list it for letCampobello Island (, also US: ) is an island located at the entrance to Passamaquoddy Bay, adjacent to the entrance to Cobscook Bay, and within the Bay of Fundy. The island is one of the Fundy Islands and is part of Charlotte County, New Brunswick, Canada. Campobello Island is also the name of a rural community including the entire Parish of Campobello. The island's permanent population in 2016 was 872.Source: https://en.wikipedia.org/