This Duplex property is being offered for the first time in over sixty-three years. Located one block from the pier, beaches and walking trail, and two blocks to downtown Avenue Del Mar restaurants and shops. Unit number A is two stories with two bedrooms and two bathrooms. The living room has wood shutters, carpeting, a fireplace, and French doors leading to the patio area. Large dining room with hardwood floors. Remodeled first floor bathroom with decorative tiles on the countertop, floors and walk-in shower. The remodeled kitchen has newer appliances, upgraded cabinets and countertops, plus a breakfast bar. There is a large kitchen pantry in the hall, leading to the laundry room with washer/gas dryer hook-ups. Two bedrooms upstairs with carpeting, and a shared, upgraded full bathtub/shower. Bedroom number one has floor to ceiling bookshelves and a north-facing balcony. Bedroom number two is also carpeted with a large closet. Dual-pane windows have been installed in the home. The private brick patio area has fully enclosed wood fencing, offering ocean breezes for a relaxing setting. Unit number B is single level with walk-up stairs, one bedroom and one full bathroom. The comfortable living room leads to an upgraded kitchen with stackable washer/dryer. Stairs lead to the attached garage below with parking space for two smaller cars. There is additional storage space in the garage, plus a beach shower. Four hundred one-four hundred three Arenoso offers an excellent investment property on an R-2 lot or as an owner occupied opportunity plus short-term vacation rental or long-term rental income. Four hundred one Arenoso is located in the San Clemente "Pier Bowl Specific Plan" area and qualifies for a Short-Term Lodging operating license upon city approval and issuance of the permit. There is a video tour of the property attached to the listing remarks.