What North America smallest island?

The smallest inhabited island in North America is Sable Island, located about 180 miles (290 kilometers) southeast of Halifax, Nova Scotia. Sable Island is a 2.35 square mile (6 km2) sand dune island that is home to a small population of people who work on the Sable Island National Park Reserve. The island is known for its shipwrecks, and is a popular tourist destination for those interested in birding and wildlife viewing.