Penthouse-style 2-bedroom, 2-bath duplex co-op in Rockville Centres Rock River, offering a rare blend of space, privacy, and outdoor living. Spanning two levels, this residence features hardwood floors throughout, in-unit laundry, and a well-appointed kitchen with dishwasher, brand-new gas range, and brand-new LG refrigerator. The main level is designed for everyday living and entertaining with a very spacious living room, dining area, full bath, and secondary bedroom. Upstairs, a private primary suite retreat showcases a fireplace, walk-in closet with dressing area, full bath with stall shower, and direct access to a spectacular oversized rooftop deckideal for relaxing or entertaining under the open sky. Heat, gas, and water are included in monthly maintenance, with a short parking waitlist. Ideally positioned near Mill River Complex Park, and just moments from the vibrant shops, dining, and LIRR in the heart of Rockville Centre.