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Historical Markers in Deception Pass State Park
Coupeville is the county seat for Island County
Deception Pass State Park is in Island County
ADJACENT TO ISLAND COUNTY
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| On Washington Route 20, on the right when traveling south. |
| On State Highway 20, on the left when traveling north. |
| On State Highway 20, on the left when traveling south. |
Nov. 10, 2026
