Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility ๐Ÿšค Full Service Marina Est. Slips ~60 Water River Est. Parking ~40 spaces Lot Size Medium (50โ€“150) Lot Type Surface Confidence High

Medium-sized marina with multiple piers along a river inlet, featuring unpaved surface parking lots adjacent to the docks with no visible vehicles or access controls.

Aerial view of Cedar River State Harbor
Great Lakes

Cedar River State Harbor

Cedarville Township, MI

Cedar River State Harbor is located in Cedarville Township, Menominee County, in Michigan's Upper Peninsula, along the western shore of Green Bay, which is an arm of Lake Michigan, offering access to the broader Great Lakes system. This marina primarily serves recreational boating, including sailing and fishing, for enthusiasts navigating the waters of Green Bay and beyond. Its setting in a rural, wooded area of northern Michigan makes it a gateway for exploring the natural beauty of the region.

โ˜…โ˜…โ˜…โ˜…โ˜… 4.6 (32 reviews on Google) View on Google Maps โ†—
Address Stephenson, MI 49887, USA
Capacity ~60 slips
Coordinates 45.4125, -87.3479

Nearby Marinas in Michigan

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically โ€” allowing permitted vehicles through via transponder or keycard while logging all access events.