Shelter Island Estate – Flathead Lake, Montana – For Sale – $59,500,000

Shelter Island Estate - Flathead Lake, Montana - For Sale - $59,500,000

Property Summary

This majestic mountain aerie, Shelter Island Estate, sits atop a solid granite foundation on 24-acre Shelter Island, rising from Montana’s Flathead Lake; one of the top 3 cleanest lakes in the world. This rare offering, currently the largest private home in Montana, features over 32,000 square feet of structures and commands 7,000 feet of prime lakeside frontage, extremely unique for private ownership. Being situated next to Glacier National Park is one more facet in this incredible jewel of a property.
The 5-bedroom/8-bath Main House is over 24,000 square feet with 10,000 square feet of heated porticos and outdoor entertaining space that surrounds the residence and allows indoor/outdoor living and entertaining on the largest scale. The Great Room features 45-foot ceilings with a 2nd story gallery that encircles the room. A gleaming, copper Conservatory is the perfect place to watch Montana wild life unfold before your eyes, in all seasons. It captures year-round natural light and illuminates the space between the grand hall and the mahogany-lined Office. Additional compliments of the Office include another limestone fireplace and 4 inch thick doors that open onto the main portico. The Master Bedroom Suite is the centerpiece of the main floor with wrap around porticos and porches, a domed ceiling with delicate umber, coved lighting. The mahogany closet, with refrigerator, leads to the expansive Master Bathroom with black and white Carrara marble. Additional 4 bedrooms feature the same quality and craftsmanship as used throughout the estate.
The Main House also features a Wine Cellar, an Indoor Shooting Range, and Gym with lake views and large shower and steam bath (one of four). The ground floor also has a heated Boat Stall served by a dedicated rail system to access your boating craft with the greatest of ease. The Dining Room, Kitchen, and Breakfast Room boast the same architectural details and fine finishes found throughout the home, along with gorgeous views of the lake and vistas beyond. Two pantries, glass door refrigerator/freezers, several under counter cooling boxes, trash compactors, food warming drawers, multiple dishwashers and stainless steel gas stoves are just a portion of the amenities ready to assist the finest gourmet chef and staff. A commercial grade elevator serves all three stories of the house.
The 2-bedroom, 4-bath guest/boat house is of the same quality and materials as the entire estate. Its 5,289 square feet on three stories represents a smaller compliment to the main residence. Two granite fireplaces, and a steam room are additional amenities. A 1,200 foot Utility Building, contains a 100 kW diesel generator and electrical panels. The 1,800 square foot Workshop is styled in the same manner and detail as the main house. Buildings included in the development total over 44,000 square feet. The two parcels on shore are nearly 8 acres, total. Shelter Island consists currently of three structures, with the ability to build three more compounds.
Contact us today to book your exclusive viewing of this incredible private island estate property in Montana.


For Sale$59,500,000 USDListing Number
Property TypePrivate Island EstateProperty Size24.3-acre private island.
Main Residence24,375 sq. ft.AttributesExclusive boat only access.
Water BodyLocated in the largest natural freshwater lake west of the Mississippi.
Bathrooms8Flathead LakeNotable as one of the cleanest lakes in the world.
Floors3ShorelineShelter Island features over 7,000 feet of private shoreline.
Guest House5,289 sq. ft.LocationSituated next to world famous Glacier National Park.
Guest Bedrooms2FeaturesIndoor shooting range and heated boat stalls with rail system.
Guest Bathrooms4Exterior10,000 sq. ft. of heated porticos and exterior entertaining space.
Total Estate Buildings
Over 44,000 sq. ft.
RecreationWorld class Sporting Clay Course and nearly 1-mile of trails.
Total Estate Bedrooms14Boat DockingThree computer controlled automatic track boat dry dock systems.


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