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 ~60 Water River Est. Parking ~35 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with extensive fixed docks along a river shoreline, multiple small buildings, and a moderately sized unpaved parking area with several vehicles parked.

Aerial view of Harmony Marina
Atlantic Coast

Harmony Marina

Mayo, MD

Harmony Marina is located in Mayo, Maryland, a community in Anne Arundel County along the western shore of the Chesapeake Bay, an expansive estuary connected to the Atlantic Coast. This setting provides access to the bay's sheltered waters, ideal for recreational sailing and boating in a region known for its tidal rivers and maritime history. It caters to boaters navigating the Chesapeake Bay's intricate network of inlets and channels.

Location Mayo, Anne Arundel County, Maryland
Capacity ~60 slips
Hours
24/7
Coordinates 38.8903, -76.5226

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.