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 Large (150+) Lot Type Surface Confidence High

Medium-sized marina with multiple piers, several buildings including possible service structures, and a large adjacent surface parking lot suitable for marina users.

Aerial view of Port Niantic Marina
Atlantic Coast

Port Niantic Marina

East Lyme, CT

Port Niantic Marina is located in East Lyme, Connecticut, along the Niantic River estuary, which flows into Long Island Sound, a sheltered arm of the Atlantic Coast in southeastern New England. This marina serves recreational sailors and boaters who navigate the calm, protected waters of Long Island Sound, providing access to coastal cruising, fishing, and exploration of the nearby Atlantic Ocean. As part of the Connecticut shoreline, it is situated in a region characterized by its mix of tidal rivers and open sound waters.

Location East Lyme, Southeastern Connecticut Planning Region, Connecticut
Capacity ~80 slips
Coordinates 41.3269, -72.1858

Nearby Marinas in Connecticut

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.