The Metzger Marsh Unit is the east 182 acres of the 740 acre Metzger Marsh, co-owned and managed by the Ohio Division of Wildlife and the refuge. The area is open per state regulations and hours, this includes trapping, hunting and fishing. Primitive boat ramps along the entrance road provide access to the marsh for anglers or kayakers in the summer and waterfowl hunters in the fall. The lakefront dike is open for hiking and fishing. Hiking into the refuge is open April 15 - August 31, sunrise - sunset.