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 parallel docks packed with boats, surrounded by wooded areas and a surface parking lot with several visible vehicles near the water's edge.

Aerial view of Flag Harbor Marina
Atlantic Coast

Flag Harbor Marina

Calvert Beach, MD

Flag Harbor Yacht Haven is a hidden treasure -- a safe haven nestled among Calvert Cliffs on the western shore of the Chesapeake Bay. It is a full-service condominium marina with slips ranging from 30 to 50 feet, offering amenities including a swimming pool, fish cleaning station, and on-site marine service.

★★★★★ 4.8 (31 reviews on Google) View on Google Maps ↗
Address 1565 Flag Harbor Blvd, St Leonard, MD 20685, USA
Capacity ~60 slips
Hours
Monday: 8:00 AM – 5:00 PM
Tuesday: 8:00 AM – 5:00 PM
Wednesday: 8:00 AM – 5:00 PM
Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed
Coordinates 38.4623, -76.4738

Marina Services & Amenities

50' max length
Showers

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.