The Bartha disaster is one more story of a New Yorker who couldn’t let go of his apartment.

Ambassador-tenant dispute.

They were the center of the Jazz Age social set and the models for F. Scott Fitzgerald characters. They served chilled sherry to Ernest Hemingway on the French Riviera. But Gerald and Sara Murphy’s romance started and ended in the Hamptons, where her self-made-millionaire father owned 600 acres—property that would be worth well over $1 billion today. Here’s a look at a piece of the lost Hamptons, through never-before-seen family photos dug out of boxes in the estate’s old garage.

Will Southampton�s ballooning property assessments destroy the town?

Buy this house, get seven for free?

Co-op sales will likely become a matter of public record any day now. What will the neighbors say?

The sinuous glass tower has a dream location, a name-brand architect—and sluggish sales. Five theories of the case.

And it’s not half bad, either.

From a spectacular Soho penthouse to a little concrete yard with . . . possibilities.

Every single apartment for sale, from 86th Street to 100th Street.