225 Siderius Lane, Bigfork, MT 59911

$3,500,000

Bedrooms: 5
Bathrooms: 2 | 1
Sq. Ft.: 2,710
Type: House
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Quintessential gated waterfront estate offering a rare combination of privacy, space, and year-round recreation. Located at the spectacular junction of the Flathead River and Flathead Lake, this remarkable setting showcases some of Montana's most beautiful scenery. The river's flowing waters broaden into the crystal-clear expanse of Flathead Lake, creating a dynamic landscape of open water, wetlands, wildlife habitat, and breathtaking mountain views. Tucked away on a quiet cul-de-sac in one of the Flathead Valley's most desirable neighborhoods, this exceptional setting offers privacy and beauty. Designed for both relaxation and entertaining, the estate features spacious indoor and outdoor living areas that embrace the waterfront lifestyle. There is 77 feet of river frontage and 243 feet on Mayport Harbor Canal. Protected boat slip on a canal offers the ultimate convenience for waterfront living. A permanent or floating dock can be installed on the river. The canal has moorings for additional watercraft. The beautifully remodeled kitchen blends timeless craftsmanship with modern functionality, creating an inviting space for everyday living and entertaining. The home has 5 bedrooms, 2 1/2 bathrooms, wood flooring and upgraded features throughout. Positioned above the landscape, the balcony captures unobstructed scenery, creating an ideal setting to enjoy the beauty and tranquility of waterfront living. Easy walk or golf cart ride to the renowned Eagle Bend Golf Clubhouse. A few minutes to the charming village of Bigfork. Whether you're seeking a year-round residence, a waterfront retreat, or a legacy property to be enjoyed for generations, this extraordinary estate offers an unparalleled blend of privacy, recreation, natural beauty, and timeless Montana elegance.
Property Features
Location Information
Latitude: 48.079328
Longitude: -114.115467
Directions: Property is near the Eagle Bend Golf Course which is on Holt Drive. From the Eagle Bend Clubhouse, head north on Holt and take second left on Siderius. Property is at the end of the cul-de-sac. Look for sign and brick gated entry.
Interior Features
Full Baths: 2
1/2 Baths: 1
Has Fireplace: Yes
Number of Fireplaces: 1
Cooling: Central Air
Appliances: Dryer, Dishwasher, Disposal, Microwave, Range, Refrigerator, Washer
Basement Description: Crawl Space
Has Basement: Yes
Exterior Features
Levels: Two
Foundation: Poured
Water Source: Well
Has Attached Garage: No
Garage Spaces: 3
Lot Features: Level
Topography: Level
Lot Size in Acres: 0.67
Lot Size in Sq. Ft.: 29,185
Road Description: City Street, Access is Seasonal, Asphalt
Waterfront Name: Flathead River
Waterfront Description: Lake, Navigable Water, River Front, Seawall, Waterfront
Has Waterfront: Yes
Additional Information
Property Type: SFR
Property SubType: Single Family Residence
Year Built: 1988
Status: Active
HOA Fee: $700
HOA Frequency: Annually
Tax Year: 2025
Tax Amount: $4,660.85
Community Features: Park


$ per month
Year Fixed. % Interest Rate.
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Monthly Tax: $
Monthly Insurance: $
Term
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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: David Austin Lowe, HomeSmart Realty Partners

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Montana Regional data last updated at June 10, 2026, 10:42 PM MT