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 Lake Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Small full-service marina on a lake with multiple docks, several buildings including a possible office, and a medium-sized unpaved parking lot with a few visible vehicles.

Aerial view of Lakeside Marina
Atlantic Coast

Lakeside Marina

Winthrop, ME

Lakeside Marina is situated in Winthrop, Maine, along the shores of Lake Maranacook, which lies in the inland region of Maine's Atlantic Coast, characterized by rolling hills, forests, and proximity to the state's coastal influences. It primarily serves freshwater boating and sailing activities on this lake, catering to recreational enthusiasts exploring the serene, natural waterways of central Maine. This setting offers a peaceful contrast to the more rugged oceanic coastlines nearby.

Location Winthrop, Kennebec County, Maine
Capacity ~25 slips
Coordinates 44.3212, -69.8895

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.