The 14-story luxury condominium at 155 East 79th Street in New York houses seven, full-floor luxury residences—including a three-level penthouse and a duplex maisonette—and is a pretty great option for a nice vacation home. Found in the heart of Manhattan's Upper East Side, 155 East 79th Street offers buyers "the privacy and space of a townhouse, but with the full-service offerings of a high-end condominium."