Fort Casey Historical State Park
"Mount Vernon residents and visitors frequently head to Whidbey Island for a scenic day trip. Fort Casey offers a mix of history, beaches, and views that complement a Skagit Valley visit."
A historic coastal fort on Whidbey Island with lighthouse views, beach access, and military ruins.
Lime Kiln Point State Park
"Mount Vernon is close enough for a long day trip to the islands. Visitors from here often come for nature photography, lighthouse views, and a chance to see orcas."
A premier whale-watching park on San Juan Island with a historic lighthouse and sweeping views of Haro Strait.
Peace Arch Historical State Park
"Mount Vernon is close enough for a half-day excursion to the border and waterfront. Visitors may come for the monument, interpretive history, and a scenic stop on the way to Canada."
A border park featuring the Peace Arch monument, gardens, and views of the U.S.-Canada crossing.