The residence, known as Twin Banyans, was built in 1936 for Sue Whitmore, whose great-grandfather developed Listerine, the zesty rinse now owned by Pfizer
This is no longer Mr. Sinclair's home. It was sold to William F. Moody for $8.2 million in August 2008. Mr. Sinclair's new Palm Beach home is mapped on this site.
http://www.pbcgov.com/papa/aspx/web/detail_info.aspx?p_entity=50434326000020240
http://www.palmbeachdailynews.com/news/business/listerine-heiress-twin-banyans-estate-fetches-72-1/nN6RT/