A $20 million Billionaires ... of interior space. The supertall—and super slender—skyscraper soars atop the former Steinway & Sons flagship piano store. The second-priciest home to ...

Red Ventures co-founder and CEO Ric Elias sold his oceanfront Palm Beach mansion for $73 million in an off-market deal.

The billionaire hedge-funder’s presence in the market has driven prices higher than ever before.