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 ~80 Water Ocean/Bay Est. Parking ~120 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with extensive finger docks along a bay shoreline, multiple buildings including possible service structures, and a medium unpaved parking area with numerous vehicles visible.

Aerial view of Roy's 2.0
Great Lakes

Roy's 2.0

Harrison Township, MI

Roy's 2.0 is a marina situated in Harrison Township, Michigan, along the shores of Lake St. Clair, a key freshwater body that connects Lake Huron and Lake Erie within the Great Lakes system. This location in southeastern Michigan provides access to the broader Great Lakes region, making it ideal for recreational sailing and boating activities. It serves enthusiasts navigating the calm waters of Lake St. Clair and beyond, amid a area renowned for its maritime heritage.

Location Harrison Township, Macomb County, Michigan
Capacity ~80 slips
Coordinates 42.5943, -82.7792

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.