21 Hayden Avenue Fantastic opportunity in Great Neck! This beautifully maintained Center Hall Colonial sits on a 50x124 lot in a secluded section at the end of a quiet street, and includes a detached 2-bedroom carriage house above an oversized 2-car garage. The main house features spacious bedrooms, a full bathroom, a gracious living room with a fireplace, and a gourmet kitchen with granite countertops, custom cabinetry, and stainless steel appliances, including a smart fridge! Step outside to a Mediterranean-style covered porch and an oversized yard, perfect for entertaining. The finished basement includes a laundry room, and additional living and storage space. The renovated carriage house, connected to natural gas, offers a kitchen, living/dining area, full bath, and two bedrooms-ideal for rental income, guests, or extended family. Close to shops on Middle Neck Road and houses of worship. Enjoy access to the Great Neck Park District with Olympic pools, a lazy river, ice skating rink, tennis courts, and the beautiful Steppingstone Waterfront Park.