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 Lake Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Boat Ramp Visible Confidence High

Small marina with multiple docks, boat ramp, and unpaved parking area amid wooded surroundings with few vehicles present.

Aerial view of Rock Harbor
Great Lakes

Rock Harbor

Arnesén, MN

Rock Harbor is a marina located in Arnesén, Minnesota, along the rugged shores of Lake Superior, one of the Great Lakes, nestled in the northern region of the state near the Canadian border. This setting provides access to the expansive and often choppy waters of Lake Superior, ideal for recreational sailing and boating activities that take advantage of the lake's diverse coastal landscapes. It caters to sailors and boaters seeking to navigate the region's pristine waters and explore nearby islands and natural features.

Location Arnesén, Lake of the Woods County, Minnesota
Capacity ~25 slips
Coordinates 48.9603, -95.0683

Nearby Marinas in Minnesota

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.