Welcome to 5 Hillsborough, a stunning coastal retreat tucked away in the prestigious, guard-gated community of Harbor Hill in Newport Beach. Situated on a quiet cul-de-sac, this 4-bedroom, 4.5-bathroom residence spans 4,097 sq ft and offers a seamless blend of timeless elegance and modern comfort. From the moment you enter, you’re greeted by soaring ceilings, expansive windows, and rich hardwood flooring that flows throughout. The thoughtfully designed layout includes a formal living room with a fireplace, a refined dining area, and a custom bar perfect for entertaining. The chef’s kitchen is the heart of the home, featuring Carrara marble countertops, high-end stainless steel appliances, a central island, and custom cabinetry, all opening to a light-filled great room designed for everyday living and connection. Upstairs, the luxurious primary suite offers a peaceful retreat with a private sitting area, spa-like bath, and a balcony with sunset and city light views. Each additional bedroom includes en-suite access and upscale finishes. Outside, the backyard transforms into a private resort with a sparkling pool, expansive deck, built-in BBQ, and multiple areas to lounge, dine, and entertain—ideal for vibrant gatherings or quiet evenings under the coastal sky. With direct access to San Miguel Park and proximity to top-rated schools, world-class shopping, dining, and beaches, this home delivers the best of Newport Beach living.