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 ~25 Water Ocean/Bay Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Small full-service marina with multiple piers, several boats docked, and a medium-sized unpaved parking area with visible vehicles along the shoreline.

Aerial view of Eaton's Boatyard
Atlantic Coast

Eaton's Boatyard

Castine, ME

Eaton's Boatyard is located in the historic town of Castine, Maine, on a peninsula jutting into Penobscot Bay along the Atlantic Coast, surrounded by the rugged, forested shores and tidal waters of this northeastern U.S. region. It serves recreational sailors and boaters navigating the coastal waters of Maine, including the nearby Bagaduce River and Penobscot Bay, which offer opportunities for cruising and exploring the area's maritime heritage.

Location Castine, Hancock County, Maine
Capacity ~25 slips
Coordinates 44.3886, -68.7955

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.