42816 Poplar Lane, Big Arm, MT 59910

$7,950,000

Bedrooms: 4
Bathrooms: 2 | 3
Sq. Ft.: 6,872
Type: House
Request Information
Luxury Custom Flathead Lake Waterfront Estate | 180 Feet of Pristine Shoreline with Pebble Beach Entry Experience exceptional Montana luxury in this remarkable 6,872-square-foot custom residence perfectly positioned on 1.72 acres beautifully landscaped, with breathtaking panoramic views of Flathead Lake, Cromwell Island, and Wild Horse Island. Expertly crafted by Bigfork Builders, this extraordinary estate showcases the highest quality finishes, timeless architecture, and meticulous attention to detail throughout. Enter through the private gate Surrounded by mature landscaping, decorative pond, and fully fenced grounds, this private retreat also features an automatic solar system, providing added efficiency while complementing the home's luxury lifestyle. Designed for both elegant entertaining and comfortable everyday living, the home offers four spacious bedrooms, five bathrooms, multiple gathering areas, and expansive windows that capture spectacular lake views from nearly every room. The dramatic great room features soaring beamed ceilings, a beautiful indoor water feature, and a stunning gas fireplace that creates a warm and inviting atmosphere. The gourmet chef's kitchen is truly the heart of the home, complete with an oversized center island, Sub-Zero refrigerator, butler's pantry, indoor grill, and a private screened covered patio where you can relax while enjoying unforgettable sunsets over Flathead Lake. A convenient propane BBQ connection on the deck makes outdoor entertaining effortless, while the formal dining room is ideal for hosting family and guests. The luxurious primary suite is a private sanctuary featuring its own sitting area overlooking the lake, dual walk-in closets, an adjoining exercise room, private viewing deck, and direct outdoor access. Two dedicated home offices provide exceptional work-from-home flexibility, while the den, family/game room, and multiple living spaces each offer their own inviting ambiance. Luxury amenities continue throughout with radiant floor heat, two highly efficient ground-source heat pumps, Luxor triple-pane windows, travertine tile flooring, central vacuum, fresh air exchange system, whole-home sound system, security system, custom built-ins, and a Generac generator for added peace of mind. Car enthusiasts and outdoor enthusiasts alike will appreciate the oversized heated four-plus car garage featuring 14-foot ceilings, radiant heated floors, extensive built-in storage, and ample room for vehicles, boats, and recreational equipment. Sold Furnished including the 22ft Regal Ski Boat with Penta Motor. For those embracing the Flathead Lake lifestyle, the property includes two private boat lifts, one covered and powered by solar, making it easy to enjoy boating, fishing, and endless days on one of Montana's most sought-after lakes. Perfectly located for convenience, this exceptional estate offers easy access to both Flathead County and Lake County while remaining just minutes to Polson for dining, shopping, and endless outdoor recreation. With no covenants and no HOA, you'll enjoy the freedom to experience Montana living at its finest. A truly rare offering where unparalleled craftsmanship, spectacular Flathead Lake views, exceptional amenities, and timeless luxury combine to create one of the area's most remarkable properties. This is a must-see Montana estate.
Property Features
Location Information
County: Lake
Latitude: 47.81275834
Longitude: -114.26068837
Directions: Hwy 93 S towards Big Arm, turn on La Bella, then right to Poplar
Interior Features
Interior: Fireplace, Main Level Primary, Vaulted Ceiling(s), Walk-In Closet(s), Wired for Sound
Full Baths: 2
3/4 Baths: 1
1/2 Baths: 2
Has Fireplace: Yes
Number of Fireplaces: 2
Heating: Heat Pump, Radiant
Cooling: Ductless
Additional Equipment: Generator
Appliances: Dryer, Dishwasher, Freezer, Microwave, Range, Refrigerator, Washer
Basement Description: Finished, Walk-Out Access
Has Basement: Yes
Exterior Features
Style: Other
Levels: Two
Construction: Wood Frame
Exterior: Boat Slip, Dock, Fire Pit, Rain Gutters
Foundation: Poured
Water Source: Well
Septic or Sewer: Private Sewer, Septic Tank
Utilities: Cable Available, Electricity Connected, High Speed Internet Available, Phone Available
Security Features: Security System Leased, Carbon Monoxide Detector(s)
Parking Description: Additional Parking, Electric Gate, Garage, Garage Door Opener, Gated
Has Attached Garage: Yes
Garage Spaces: 4
Irrigation: Well
Fencing: Perimeter
Patio / Deck Description: Covered, Deck, Patio, Screened
Other Structures: Shed(s)
Lot Features: Back Yard, Front Yard, Gentle Sloping, Landscaped, Meadow, Sprinklers In Ground, Views, Level
Topography: Level
Lot Size in Acres: 1.822
Lot Size in Sq. Ft.: 79,380
Zoning: Lake County
Waterfront Name: Flathead Lake
Waterfront Description: Lake, Waterfront
Has Waterfront: Yes
View Description: Lake, Mountain(s), Trees/Woods
Additional Information
Property Type: SFR
Property SubType: Single Family Residence
Year Built: 2010
Status: Active
Tax Year: 2025
Tax Amount: $30,948.05
Builder: Bigfork Builders
Community Features: Lake


$ per month
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Monthly Tax: $
Monthly Insurance: $
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Down Payment
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List Price:
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Based on a fully amortized fixed rate loan. Ask your agent for the tax rates in your area. Insurance estimate is based on an average cost, your final premium cost will be determined by the type of coverage you select. This program only provides an estimate.

Seller's Representative: Kristen Broughton, Berkshire Hathaway HomeServices - Bigfork

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Montana Regional data last updated at August 23, 2026, 10:30 PM MT