Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🛶 Small Dock Est. Slips ~15 Water Ocean/Bay Confidence High

Compact marina with short piers extending into a shallow bay surrounded by mangroves, no dedicated parking lot visible along the narrow access road.

Aerial view of Sea Bird Marina
Atlantic Coast

Sea Bird Marina

Monroe County, FL

Sea Bird Marina is situated in Monroe County, Florida, along the Gulf Coast within the Florida Keys, specifically near Key Largo, where it is nestled among mangrove-lined shores and the clear, turquoise waters of the region. This marina serves recreational boating and sailing enthusiasts exploring the subtropical environment of the Keys, which features a mix of protected bays and open sea passages influenced by both the Gulf of Mexico and the Atlantic Ocean. Its location offers access to diverse marine ecosystems ideal for various boating pursuits in this iconic coastal area.

Address 69501 Overseas Highway Bayside, MARATHON, FL 33050
Capacity ~15 slips
Hours
Unknown
Coordinates 24.8378, -80.7988

Nearby Marinas in Florida

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.