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40378 Superior, 
Ontonagon, MI 49953

$1,700,000


3

Beds


4

Baths


5,225

Sq Ft


Single Family

Active

Listed by

Tim Keohane

Great Lakes & Land Of Marquette, Inc.

906-228-9312

Last updated:

January 14, 2026, 11:12 AM

MLS#

50144210

Source:

MI REALSOURCE

About This Home

40378 Superior

MOTIVATED SELLERS - SUPERIOR SOLITUDE - ONE OF A KIND – LAKE SUPERIOR and FLINTSTEEL RIVER RESIDENTIAL PROPERTY FOR SALE! This 212-Acre Property has 785+/- Feet of Sandy Lake Superior Frontage AND 4,000+/- Feet of frontage on the Flintsteel River. This privately owned location is considered on of Michigan’s Sand Dune Complexes! This property is located in Ontonagon Township, in north central Ontonagon County in the Upper Peninsula of Michigan. The Lake Superior westward facing frontage is on the largest fresh water lake in the world. The crystal clear waters are great for swimming, wading, and launching your canoe or kayak. The sandy beach here is excellent for beach combing for driftwood and agates, and strolling for miles! The view of the Porcupine Mountains from here is superb – Nature and Sunset photo opportunities are extraordinary! At the mouth of the Flintsteel River, this parcel has over 4,000-Feet of river frontage for more swimming, boating and fishing opportunities. This river is about 28 miles long and along with the “Big Lake”, it holds a variety of trout and salmon species, including steelhead, lake trout, brown trout, Chinook salmon, Walleye, and coho salmon. The Main Dwelling on the property is built along the river side and has a design that is all about style and convenience. The exterior is accented by western red cedar siding, along with a deep spacious ground level patio, upper level wrap-around deck, abundant window views, a cultured stone retaining wall and gabled roof line. The Main Floor has a large Living Room that opens completely to the Dining Area and Kitchen. A stunning wall of windows delivers plenty of natural light and makes this gathering space feel bright and open, while a large stone faced fireplace delivers comfort and warmth. This area feels open and is perfect for gatherings. (For Additional Remarks - Please Request Associated Documents)

Home Facts

Single Family

4 Baths

3 Bedrooms

Built in 1989

Price Summary

1,700,000

$325 per Sq. Ft.

MLS #:

50144210

Last Updated:

January 14, 2026, 11:12 AM

Added:

1 year(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

3

Interior

Living Area:

5,225 Sq. Ft.


Structure

Structure

Architectural Style:

Contemporary

Building Area:

5,225 Sq. Ft.

Year Built:

1989


Lot

Lot Size (Sq. Ft):

9,264,340


Finances & Disclosures

Finances

Price:

$1,700,000

Price per Sq. Ft:

$325 per Sq. Ft.

Source:MI REALSOURCE
The information being provided by Michigan Mls/Mirealsource is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Michigan Mls/Mirealsource All rights reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.