Doe Island Marine State Park, Marine park in San Juan County, United States.
Doe Island Marine State Park is a small protected marine area in the San Juan Islands featuring rocky shoreline, a walking trail that loops around the island, and basic camping facilities. The site provides direct access to tidal zones and shellfish beds that support local marine life.
The site was acquired from federal land holdings in 1964 and transitioned into public recreational management shortly after. This designation protected the island from private development and established it as a place for public access.
The park represents a protected marine environment within the San Juan Islands, offering opportunities for visitors to connect with Pacific Northwest coastal ecosystems.
You can only reach the park by private boat, as no public ferry service operates to the site. Bring all supplies and drinking water yourself, since the island has no utilities or commercial services.
The island sits just a short distance from a much larger neighbor, allowing visitors to move quickly between two very different environments on the water. This proximity makes it a convenient stop for boaters exploring the broader region.
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