Your browser is out of date.
This site may not function properly in your current browser. Update Now

Treadwell Bay

By Water
At the tip of Treadwell Bay. – Courtesy of Barb Mardis

Website for Treadwell Bay Marina


Treadwell Bay is a large bay that is only partially protected and can receive strong and unexpected southern winds. From this bay, boaters have access to the Point au Roche State Park, Deep Bay, Long Point, and the Treadwell Bay Marina, one of the largest protected marinas on the lake.