Douglas Elliman has listed an $80 million Park Avenue penthouse, adding a marquee asset to Manhattan’s luxury market. The Tony Ingrao-designed residence is bein

Douglas Elliman has listed an $80 million Park Avenue penthouse, adding a marquee asset to Manhattan’s luxury market. The Tony Ingrao-designed residence is being marketed by Fredrik Eklund and John Gomes, underscoring firm activity at the high end.