Hamptons real estate tycoon countersues injured yacht passengers after July crash
Hamptons developer Peter Mangiameli is countersuing passengers who filed a $6M lawsuit over a Sag Harbor yacht crash that left them injured, blaming them for the damage.
https://pagesix.com/2026/10/20/society/hamptons-real-estate-tycoon-countersues-injured-yacht-passengers/