This elegant, approximate 2,350 square foot 8-room prewar Penthouse, with its sprawling, approximate 2,600 square foot wrap terrace, is now on the market for sale for the first time in 30 years. It is one-of-a-kind, charming and a wonderfully sunny residence with as high as 10'3" beamed and recessed lit ceilings. Its grand and gracious step-down 27'5" x 18' corner living room has a WBF and an entrance to the terrace. The formal dining room also offers not only access to the terrace but opens onto a stunning atrium, perfectly suited for your cocktail entertaining. This home boasts a spacious 21' x 15' corner primary bedroom plus a second smaller one, also containing a WBF and presently used as a library. The approximate 11' x 12' staff room can easily be a third bedroom/office/guest room as it is currently set up with two twin beds. Both the kitchen as well as the laundry room are windowed. This very special residence has its own private entrance foyer, through-wall air conditioning, abundant closet space and three full baths. While the windows are new, this home will require some updating. This gracious home covers the entire top floor of a well-established, boutique, 1927 prewar cooperative. 170 East 78th Street is a small, 28-unit building with a resident manager and full-time doorman service. It is located on one of the most beautiful blocks of the Upper East Side, lined with many beautiful townhouses as well as blossoming trees, each graced with lush, floral plantings below. The Lexington Avenue #6 train is one block away as is bus service, both up and down and cross-town. Nearby are Citarella's, Eli's and Butterfield's gourmet markets, as well as Patisserie Chanson. The neighborhood has numerous fine restaurants, including Sushi Noz, one of the most exclusive Japanese restaurants in the city. Central Park is a quick four-block walk away. The cooperative permits 50% financing, pets with board approval, pied a terres, and has private storage bins. There is a 2.5% flip tax is to be paid by the buyer and a five-year capital assessment.