BY APPT ONLY : A palatial designer condo nestled less than a block from Riverside Park, this full-floor 7-bedroom, 7.5-bathroom home is the ultimate expression of contemporary city luxury. Features of this 8,450 sq. ft. apartment include a private elevator landing, huge windows with quadruple exposure, gorgeous hardwood floors, coffered ceilings, a spacious laundry room with a utility sink, custo...