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 ~40 Water River Est. Parking ~75 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple parallel docks along a river, ample surface parking lot with visible vehicles, and nearby residential buildings.

Aerial view of Mill River Marine
Atlantic Coast

Mill River Marine

Cohasset, MA

Mill River Marine is a marina nestled in Cohasset, Massachusetts, a quaint coastal town on the South Shore of Massachusetts Bay along the Atlantic Coast. Its geographic setting provides direct access to the sheltered waters of Cohasset Harbor and the broader North Atlantic, making it ideal for recreational boating and sailing in this historic New England region. This location caters to enthusiasts navigating the dynamic coastal waters near Boston and the Cape Cod area.

Location Cohasset, Norfolk County, Massachusetts
Capacity ~40 slips
Coordinates 42.2385, -70.7903

Nearby Marinas in Massachusetts

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.