Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🛶 Boat Ramp Water Ocean/Bay Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Boat Ramp Visible Confidence High

Small boat ramp facility with a grassy ramp area, minimal docks, and a medium-sized unpaved parking lot adjacent to residential areas and a sandy beach on a bay.

Aerial view of Great Peconic Bay Marina
Atlantic Coast

Great Peconic Bay Marina

Town of Riverhead, NY

Great Peconic Bay Marina is located in the Town of Riverhead on Long Island's North Fork, New York, where it sits along the shores of Peconic Bay, a sheltered estuary connected to the Atlantic Ocean via nearby inlets and the Long Island Sound. This geographic setting offers access to the calm, expansive waters of Peconic Bay, characterized by its shallow depths, surrounding barrier islands, and proximity to the scenic East End of Long Island. The marina serves recreational boating and sailing enthusiasts, catering to those navigating the bay's protected waters for leisure activities in this coastal region.

Location Town of Riverhead, Suffolk County, New York
Coordinates 40.9375, -72.5812

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.