Welcome to 306 Onyx Avenue, a charming cottage duplex in an exceptional location on Balboa Island. The front unit is two bedrooms and one bathroom, filled with natural light, creating a comfortable and inviting living space. The back upstairs unit is two bedrooms and one bathroom complete with a large deck and living area. The interior courtyard is a standout feature that makes the property perfect for entertaining guests and enjoying the sun. Whether enjoyed as a single property or as separate units, this duplex presents an excellent investment opportunity for potential buyers. Its location on Balboa Island grants easy access to all of Newport Beach's world-class amenities, beaches, golf courses, shopping centers, and fine dining options. 306 Onyx is a wonderful choice for those seeking a beautiful and versatile property in one of Newport's most charming neighborhoods.