Spectacular trophy property! One of Manhattan's most opulent private homes, also ideal for institutional use. Located on elegant Beekman Place--an exclusive enclave and the privileged domain of New York's wealthiest power-brokers who relish its security, privacy, tranquility, & easy access to Midtown, FDR Drive, & Heliport. This palatial property, built in 1934 as the largest of 9 mansions along Beekman Place, has had only 3 owners. Flooded with natural light from open east/west exposures, its size & grandeur make it appropriate for Live/Work, a Foundation, a school, or an ideal Consulate/Diplomat Residence--with its proximity to the United Nations. Comprising nearly 12,000 interior sq.ft. & 1,437 exterior sq.ft. spread over 8 floors, plus a 560 sq. ft. basement--there are 17 rooms, with 8 rooms offering full river views (which only 22 private NYC mansions have).Designed for epic-scale entertaining (per the industrial-sized Catering Kitchen), the public spaces (with 11 Ft. ceilings) include paneled Reception Room & sumptuous Banquet Hall at street level, and Parlor floor featuring a grand Living Room, Family Room-Library & Solarium. There are 8 wood-burning fireplaces, 2 large terraces, 6 master suites, 11 baths, & 5 additional rooms for guest suites, servants quarters, offices, conference or class rooms, etc. An impressive circular staircase accesses 4 floors; an elevator & dumb-waiter service 7 floors, and 2 private stairwells access the remaining floors. The basement includes storage room & Wine Cellar. Splendid architectural details abound throughout--all lovingly maintained. Diplomat parking available. Priced to sell!