Smith island is a collection of three distinct island communities, tylerton, rhodes point, and ewell, maryland on the chesapeake bay, on the border of maryland and virginia territorial waters in the united states. the island is the last inhabited island in maryland that is not accessible by vehicle, where most of the islands are eroding due to tidal currents and sea level rise. smith island is expected to completely erode by 2100.the island's population is approximately 220, down from a peak of about 800. on its maryland side, smith island is a census-designated place (cdp) in somerset county. it is included in the salisbury, maryland-delaware metropolitan statistical area.

Source: Wikipedia