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 Ocean/Bay Est. Parking ~75 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple docks hosting boats, adjacent surface parking lot with visible vehicles, and nearby urban buildings along a bay shoreline.

Aerial view of Havre de Grace Seaplane Base
Atlantic Coast

Havre de Grace Seaplane Base

Havre de Grace, MD

Havre de Grace Seaplane Base is located in Havre de Grace, Maryland, at the mouth of the Susquehanna River where it flows into the Upper Chesapeake Bay, a key estuarine region along the Atlantic Coast. This marina serves recreational boating and sailing activities, catering to those exploring the sheltered waters of the Chesapeake Bay and its tributaries. Its position on the western shore of the bay provides access to a mix of riverine and coastal boating experiences in this historically significant area.

Location Havre de Grace, Harford County, Maryland
Capacity ~60 slips
Coordinates 39.5504, -76.0889

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.