Welcome to 4180 Del Mar Avenue, where architectural brilliance meets modern convenience in the heart of Long Beach. This exceptional duplex, designed by the renowned architect Clifton Jones Jr. with influences from Edward Killingsworth and Calvin Straub, is the largest model within the coveted Cerritos Circle tract. Each of the two units offers the feel of a single-family home, featuring over 1,300 square feet of thoughtfully designed living space. Upon entering each unit, you are greeted by dramatic floor-to-ceiling windows that flood the dining area with natural light, creating a seamless connection to the private backyard. The spacious living room provides a serene setting for relaxation and entertainment. The kitchen, exuding mid-century charm, boasts ample cabinetry and a large breakfast bar that serves as an inviting space for casual dining.Each unit includes two en suite bedrooms and two and a half bathrooms, ensuring privacy and comfort for all occupants. The spiral staircase adds an elegant touch, leading to the upper level where the bedrooms are thoughtfully placed. Practicality meets style with a direct-access oversized two-car garage and additional driveway parking. The spacious private backyard is perfect for alfresco dining and entertaining, offering a private oasis to enjoy the Southern California climate. This property presents a unique opportunity to live in one unit while collecting income from the other, making it an ideal investment. Located in the distinguished Los Cerritos/Virginia Country Club neighborhood, this property is surrounded by historic homes, close to parks, convenient access to major freeways, Metro station, and the cultural hubs of Los Angeles and Orange County. Experience the perfect blend of mid-century architecture and modern amenities. This is more than just a home; it's a lifestyle.