Poplar Island (Chesapeake Bay)
Poplar Island is a 3-mile-long (4.8-kilometer-long) island located on the Chesapeake Bay, part of Talbot County, Maryland. In the late 1800s it had a population of 100 living in the town of Valliant but it was abandoned by the 1920s due to erosion of the island.
Source: Wikipedia — Poplar Island (Chesapeake Bay) (CC BY-SA 4.0)