The top sale, an $89 million deal for two oceanfront houses on Gin Lane in Southampton, was unusual in that it was auctioned at Sotheby's Concierge Auctions in Manhattan. The rest sold either through ...

The current record is held by hedge funder Barry Rosenstein, who bought an East Hampton property for $147 million in 2014. More from Finance There's a new most expensive home for sale in the ...