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 ~120 Water River Est. Parking ~75 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with extensive finger docks along a river, multiple small buildings, and a medium surface parking lot with visible vehicles but no clear access controls.

Aerial view of Porter's Seneca Marina
Atlantic Coast

Porter's Seneca Marina

Bowleys Quarters, MD

Porter's Seneca Marina is situated in Bowleys Quarters, a waterfront community in Baltimore County, Maryland, along the western shore of the Chesapeake Bay, which connects to the broader Atlantic Coast region. This marina serves recreational boating enthusiasts, including sailors and powerboaters, who navigate the sheltered waters of the Chesapeake Bay for activities such as day trips, fishing, and exploration of the estuary's intricate network of rivers and inlets.

Location Bowleys Quarters, Baltimore County, Maryland
Capacity ~120 slips
Coordinates 39.3204, -76.3723

Nearby Marinas in Maryland

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.