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 ~60 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple piers packed with boats along a marshy bay shoreline, featuring a medium surface parking lot with several dozen vehicles adjacent to the highway.

Aerial view of Seaboard Marina
Atlantic Coast

Seaboard Marina

Keyport, NJ

Seaboard Marina is located in Keyport, New Jersey, a small borough on the northern Jersey Shore along the shores of Raritan Bay, which forms part of the Atlantic Coast and provides access to the broader New York Harbor and Atlantic Ocean. This geographic setting offers a protected yet navigable waterway ideal for boating in a mix of estuarine and coastal environments. The marina caters to recreational sailing and boating activities in these regional waters, supporting vessels that explore the bay and nearby coastal areas.

Location Keyport, Monmouth County, New Jersey
Capacity ~80 slips
Coordinates 40.4327, -74.2166

Nearby Marinas in New Jersey

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.