Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🛶 Small Dock Est. Slips ~20 Water River Confidence High

Compact riverside dock with boats moored along a single pier adjacent to wooded areas and minimal landside infrastructure including no visible parking.

Aerial view of Castaways Marina
Atlantic Coast

Castaways Marina

Port Ewen, NY

Castaways Marina is located in Port Ewen, New York, along the western bank of the Hudson River, a tidal estuary that flows southward into the Atlantic Ocean, providing access to both riverine and coastal waterways in the Mid-Hudson Valley region. It serves recreational boating and sailing enthusiasts exploring the Hudson River and its surrounding areas, including opportunities for day trips toward the Atlantic Coast. This marina is situated in a historic riverside community, offering a gateway to the natural beauty of the Hudson Valley's waterways.

Location Port Ewen, Ulster County, New York
Capacity ~20 slips
Coordinates 41.9112, -73.9943

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.