Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🛶 Full Service Marina Est. Slips ~25 Water River Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Boat Ramp Visible Confidence High

Small full-service marina on a river with multiple docks, a boat ramp, scattered buildings, and a medium-sized unpaved parking area with no visible vehicles.

Aerial view of Douglas Marina Key
Great Lakes

Douglas Marina Key

Douglas, MI

Douglas Marina is located in the city of Douglas, Michigan, situated along the eastern shoreline of Lake Michigan in the southwestern Lower Peninsula of the state, offering access to the vast freshwater expanses of the Great Lakes. This marina serves recreational boating and sailing enthusiasts, catering to vessels navigating the often windy and wave-prone waters of Lake Michigan, which is renowned for its opportunities in both day sailing and longer excursions. The surrounding region features a mix of sandy beaches and forested dunes, enhancing the appeal for boaters exploring the area's natural beauty.

Location Douglas, Allegan County, Michigan
Capacity ~25 slips
Coordinates 42.6448, -86.1983

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 — allowing permitted vehicles through via transponder or keycard while logging all access events.