Billionaire investor Barry Sternlicht's Nantucket beach house has been demolished due to severe erosion.

His latest purchase cost him a cool $90 million — but you don't need millions to expand your own real estate portfolio.

The billionaire’s environmentalism is on stunning display at the British Virgin Islands hideaway he’s built—and rebuilt—over ...

Palm Beach billionaire residents Steve Wynn and Thomas Peterffy appear to have teamed up to buy an estate in Aspen, setting a ...

Cyber CEO Matthew Prince’s troubles with Park City locals began with his plans for an 11,000-square-foot mansion.