John Devaney Eyes Big Housing Trade With ‘Scarface’ Mansion

The “Scarface Estate” with the heliport jutting into the water on the right. — The “Scarface Estate” with the heliport jutting into the water on the right.Source: United Real Estate Ventures

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By Daniel Cancel

April 26, 2026 at 2:30 PM UTC

Updated on

April 27, 2026 at 3:05 PM UTC

John Devaney has made and lost fortunes trading housing bonds.

Now, the founder of United Capital Markets Inc. is looking to pull off one of his biggest profits by selling his home in Key Biscayne, Florida for $237 million.