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 River Est. Parking ~35 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple covered slips along a river channel and a modest unpaved surface parking area adjacent to the access road, no vehicles present.

Aerial view of Henderson Harbor Marina
Atlantic Coast

Henderson Harbor Marina

Henderson Harbor, NY

Henderson Harbor Marina is located in Henderson Harbor, New York, on the southern shore of Lake Ontario, a large freshwater lake in the Great Lakes region of upstate New York, surrounded by scenic woodlands and wetlands. It serves recreational boaters and sailors exploring the expansive waters of Lake Ontario, which is connected to the Atlantic Ocean via the St. Lawrence Seaway, offering opportunities for freshwater cruising and fishing in a protected harbor setting.

Location Henderson Harbor, Jefferson County, New York
Capacity ~80 slips
Coordinates 43.8492, -76.2101

Nearby Marinas in New York

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.