NoticeNot affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization.v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~60 Water River Est. Parking
~40 spaces
Lot Size Medium (50–150) Lot Type Surface ConfidenceHigh
Medium-sized marina with multiple covered slips along a river, adjacent gravel/surface parking lot with moderate capacity but no visible vehicles or access controls.
Great Lakes
Dewitt Marine
Helena Township, MI
Dewitt Marine is a Bennington, Sylvan, Premier & Yacht Club Marine Dealer in Bellaire, MI offering boat sales, rentals, slips & storage, service & parts, and gas & food.
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.
