Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility ๐Ÿšค Full Service Marina Est. Slips ~40 Water Lake Est. Parking ~30 spaces Lot Size Medium (50โ€“150) Lot Type Surface Confidence High

Medium-sized marina with parallel docks along a lake shoreline, multiple buildings including a white-roofed structure, and an unpaved gravel-like parking area with no visible vehicles.

Aerial view of Flathead Lake Private Harbor
inland waterway

Flathead Lake Private Harbor

Snowberg Court, MT

Located in scenic Big Arm, Montana, this private marina gives owners easy access to all Flathead Lake has to offer. 30-foot boat slips are available for purchase on a 99-year lease and can be re-sold or sublet.

โ˜…โ˜…โ˜…โ˜…โ˜… 5 (1 reviews on Google) View on Google Maps โ†—
Address 38132 US-93, Big Arm, MT 59910, USA
Capacity ~40 slips
Hours
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Coordinates 47.8036, -114.2775

Marina Services & Amenities

30' max length
Shore Power

Nearby Marinas in Montana

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 โ€” allowing permitted vehicles through via transponder or keycard while logging all access events.