Jupiter mansion sells for $35M as buyer levels up in Admirals Cove

Investment firm co-founders George and Sarah McMahon sold their waterfront mansion in Jupiter’s Admirals Cove neighborhood for $34.5 million.  The sale marks a 43 percent increase in price for the home at 176 Spyglass Lane since it last traded. The McMahons, founders of the investment firm American Infrastructure Partners and the company Infrastructure Equipment Group, paid $24 million for the property in 2021, buying from former race car driver Johnny Gray.  The buyer is an entity linked to Edward St. John, founder and chairman of Baltimore-based St. John Properties, who appears to have moved houses within the same neighborhood. Last […]

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