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Lake Forest Homes for Sale, $5,000,000 - $10,000,000

$250,000 - $500,000 $500,000 - $750,000 $750,000 - $1,000,000
$1,000,000 - $2,000,000 $2,000,000 - $3,000,000 $3,000,000 - $5,000,000
$5,000,000 - $10,000,000 Over $10,000,000
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275 Sussex Lane, Lake Forest, IL - $5,300,000

Residential, Detached Single
  • 8 Beds
  • 11 Baths
  • 11k SQFT
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Introducing "the Adler," A Magnificent French Country Estate, Set On Over Two Acres Of Breathtaking Grounds In Lake Forest. Built By Renowned Architect David Adler In 1914, This 11,000 Sq Ft Estate Embodies Timeless Elegance. The Property Features...

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Photo of Listing #12457563

261 East Onwentsia Road, Lake Forest, IL - $6,500,000

Residential, Detached Single
  • 8 Beds
  • 13 Baths
  • 11.5k SQFT
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Nestled In The Heart Of East Lake Forest, This Exquisite Estate Seamlessly Blends Elegant Architecture With Natural Splendor, Set On Nearly Three Gated Acres. Crafted In Collaboration With The Esteemed Architect Darcy Bonner In 2010, It Epitomizes...

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111 Mayflower Road, Lake Forest, IL - $6,250,000

Residential, Detached Single
  • 7 Beds
  • 7 Baths
  • 7,149 SQFT
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Rare Opportunity To Own This Beautiful Lakefront Home On Almost 4 Acres W/ 300' Of Lake Michigan Shoreline On Coveted Mayflower Road. Located Down A Tree-lined Driveway At The End Of A Private Lane, This Stately Brick Home Was Built In 1914 And Fe...

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Photo of Listing #12260502

347 Bluffs Edge Drive, Lake Forest, IL - $9,600,000

Residential, Detached Single
  • 6 Beds
  • 11 Baths
  • 11.4k SQFT
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Explore A Remarkable Lakefront Estate In Rockland, Gracefully Positioned Along The Shores Of Lake Michigan. Built By J.timothy Builders Of Lake Geneva & Chicago. This Unique Property Boasts A Pristine Private Beach With Inviting White Sand And A F...

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Midwest Real Estate Data LLC Logo The data relating to real estate for sale on this website comes in part from the Broker Reciprocity program of Midwest Real Estate Data LLC. Real Estate listings held by brokerage firms other than Sotheby's International Realty are marked with the Broker Reciprocity logo or the Broker Reciprocity thumbnail logo (a little black house) and detailed information about them includes the names of the listing brokers. Some properties which appear for sale on this website may subsequently have sold and may no longer be available. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Many homes contain recording devices, and buyers should be aware they may be recorded during a showing.

Listing information last updated on January 18th, 2026 at 2:38pm CST.