Residence 4B at 90 East End Avenue is a gracious 2-bedroom, convertible 3-bedroom residence spanning 1,744 square feet, defined by its peaceful views over Carl Schurz Park and the East River. With generous proportions and an open layout, this home offers a rare combination of space, light, and direct park views in a highly sought-after Upper East Side setting. Currently configured as a 2-bedroom, 2.5-bath with a dining area, the layout offers both flexibility and sophistication, with the ability to easily convert to a true three-bedroom. A welcoming entry foyer leads into an expansive, east-facing living and dining area, where oversized windows frame tranquil park views and create a wonderful sense of openness and greenery. The kitchen features custom cabinetry, Caesarstone countertops, and premium appliances, including a Wolf five-burner range, Sub-Zero refrigerator, Fisher & Paykel double-drawer dishwasher, and a 30-inch under-counter wine cooler. The large primary suite offers three customized closets and a luxurious five-fixture bath. The second bedroom is generously proportioned, complete with an en-suite bath and walk-in closet. Additional highlights include a Lutron Smart Home system, in-unit washer/dryer with a fully vented dryer, and a large private storage unit that transfers with the residence. 90 East End Avenue is an intimate, full-service condominium offering 24-hour doorman service, a live-in resident manager, and dedicated staff, including a handyman and porter. Residents enjoy a full suite of amenities, including a fitness center, playroom, central laundry room, private storage, bike room, and on-site garage. With its peaceful park frontage and sweeping river views, Residence 4B presents a rare opportunity to enjoy refined living in a uniquely tranquil Upper East Side setting.