Co Op City Bronx Apartments For Rent . Find houses in nearby cities. 4374 martha ave apt 2. RiverBay at Coop City Rentals Bronx, NY from www.apartments.com See photos, current prices, floor plans, and details for 7 apartments in co op city, bronx, new york. Find houses in nearby cities. Coop city has many families of different cultural backgrounds of all ages living here.