Washington Island, c.20 sq mi (50 sq km), NE Wis., in NW Lake Michigan, just off the northern tip of the Door Peninsula. The island was visited by the French explorers Pierre Radisson (1657) and Robert La Salle (1679). It has a large Icelandic settlement and is a resort area.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.