Agate Beach State Recreation Site is a state park between Newport and Agate Beach in Lincoln County in the U.S. state of Oregon. It is administered by the Oregon Parks and Recreation Department. Lying between new and old U.S. Highway 101, the 18.48-acre park offers beach access via a path from the parking lot through a tunnel under the old highway. Amenities include restrooms and a place to fish, surf, and dig for razor clams.