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 ~40 Water River Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple docks holding ~40 boats, surrounded by wooded areas, and a small-to-medium unpaved/surface parking area with no visible vehicles.

Aerial view of Safe Harbor Great Island
Atlantic Coast

Safe Harbor Great Island

Harpswell, ME

Safe Harbor Great Island is located on Great Island in Harpswell, Maine, a coastal town in the Casco Bay region of the Atlantic Coast, characterized by its rugged, rocky shoreline, nearby islands, and access to both sheltered bays and the open ocean. This marina serves recreational boating and sailing enthusiasts, providing a base for exploring the intricate waterways of Casco Bay and the broader Maine coastline. Its position makes it ideal for activities like day sailing among the islands or longer coastal trips along the Atlantic.

★★★★★ 4.7 (47 reviews on Google) View on Google Maps ↗
Address 419 Harpswell Islands Rd, Harpswell, ME 04079, USA
Capacity 0 slips
Hours
Monday: 8:00 AM – 4:30 PM
Tuesday: 8:00 AM – 4:30 PM
Wednesday: 8:00 AM – 4:30 PM
Thursday: 8:00 AM – 4:30 PM
Friday: 8:00 AM – 4:30 PM
Saturday: 8:00 AM – 4:30 PM
Sunday: 8:00 AM – 4:30 PM
Coordinates 43.8308, -69.9166

Nearby Marinas in Maine

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.