Harstine Island, Washington
ISLAND OF PUGET SOUND IN MASON COUNTY, WASHINGTON STATE, UNITED STATES OF AMERICA
Hartstene Island; Harstine; Hartstene; Hartstene Island, Washington; Hartstine Island; Harstine Island, WA; Harstine Island
Harstine Island (also known simply as Harstine or Hartstene) is an island in Mason County, Washington, United States. The US Census recognizes it as an unincorporated community.