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 Ocean/Bay Est. Parking ~40 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Small full-service marina on a wooded peninsula with multiple piers, several buildings including possible office/trailer, and a medium unpaved parking area with visible vehicles.

Aerial view of M
Atlantic Coast

M

Harpswell, ME

M is a marina located in Harpswell, Maine, along the picturesque Atlantic Coast, specifically in the Casco Bay region, which features a network of islands, coves, and tidal waters. This setting provides access to the open Atlantic Ocean and protected inland waterways, making it ideal for recreational sailing and boating enthusiasts navigating the coastal Maine waters. It caters to activities such as day sailing, island hopping, and fishing in the area's renowned maritime environment.

Location Harpswell, Cumberland County, Maine
Capacity ~25 slips
Coordinates 43.7396, -70.0406

Nearby Marinas in Maine

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.