The best deal in NYC: Asking now $745/sq.ft. for this Rare Prewar 14-room Penthouse triplex overlooks the East River from baronial-sized rooms with an estimated 6,030 square feet. The Penthouse is surrounded by 2 landscaped wraparound terraces that total over an estimated 2,500 square feet. This stately residence has served as the home of Ireland's Ambassador to the United Nations since 1957. The co-op includes 6 bedrooms, a formal dining room, library, a den, an office, 2 kitchens, a breakfast room, 2 fireplaces, 4 bathrooms and 2 powder rooms. The primary suite has a dressing room---all overlooking the water. The Penthouse offers a grand entertaining space with 10-foot ceilings and tranquil water views. The unit has great style and architectural bones.
Listing courtesy of Olshan Realty Inc.

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc. All rights reserved.