Harbor Island, Industrial artificial island in Seattle, United States
Harbor Island stands at the mouth of the Duwamish River, covering 406 acres of land created using 24 million cubic yards of excavated earth.
The Puget Sound Bridge and Dredging Company completed the construction of Harbor Island in 1909, making it the largest artificial island in the world at that time.
The island transformed Seattle's maritime capabilities by establishing a central hub for shipbuilding, cargo operations, and industrial activities in the Puget Sound region.
Multiple transportation routes connect Harbor Island to downtown Seattle, with the West Seattle Bridge and Spokane Street Bridge providing direct access to the industrial facilities.
Between 1941 and 1946, the Seattle-Tacoma Shipbuilding Corporation constructed 45 destroyers for the United States Navy on Harbor Island during World War II.
Location: Seattle
GPS coordinates: 47.57917,-122.35139
Latest update: March 3, 2025 23:55
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