Flattop Island is an island in the San Juan Islands of the U.S. state of Washington. The San Juan Islands are a part of the San Juan Archipelago in the northwest corner of the continental United States. A US state is any one of the fifty subnational entities of the United States of America that share Sovereignty with the federal government Washington ( is a state in the Pacific Northwest region of the United States.
The name was given by Charles Wilkes during the Wilkes Expedition of 1838-1842, describing the island's terrain. Charles Wilkes ( April 3, 1798 &ndash February 8, 1877) was an American naval officer and explorer. The United States Exploring Expedition was an exploring and surveying expedition of the Pacific Ocean ("the Southern Seas" conducted by the United States Navy from [1]