ETA company linked to Winifred Winnie J. Marquart, a direct heir to the SC Johnson cleaning-products fortune, has sold a house at 449 Australian Ave. in Palm Beach for $16.7 million. The same Marquart-linked company that sold the house paid $30 million for another Palm Beach residence in September on Clarke Avenue. “No renovation or furniture required — just move in and enjoy the best of Palm Beach living,” Newman’s sales listing said. The house was originally developed on speculation by Palm Beach real estate investor Richard Cushing True of Cushing Investments LLC. dhofheinz@pbdailynews.comDarrell Hofheinz is a USA TODAY Network of Florida journalist who writes about Palm Beach real estate in his weekly “Beyond the Hedges” column.

Source: Forbes December 22, 2025 12:12 UTC