Positioned on a quiet cul-de-sac within the guard-gated community of Castaways, this thoughtfully designed residence offers approximately 4,060 square feet of living space with five bedrooms, three-and-a-half bathrooms, an executive office, and a versatile main-level guest suite that easily adapts to changing needs. Natural light fills the home, highlighting timeless architectural details and quality finishes throughout. Antique French stone flooring anchors the main living spaces, while four fireplaces add warmth and character. Recent improvements, including a new roof, new HVAC system, fresh interior and exterior paint, and epoxy-finished garage floors, complement the home's classic design. Designed for both everyday living and effortless entertaining, the kitchen opens to the family room and is appointed with professional-grade appliances, double ovens, two Bosch dishwashers, a Miele built-in microwave and warming drawer, a walk-in pantry, and generous prep and gathering space. The backyard creates a true extension of the home, featuring a custom pool and oversized spa surrounded by mature landscaping, flagstone hardscape, decorative rock accents, covered pergolas, and an outdoor kitchen with dedicated spaces for cooking, dining, and entertaining. Privately situated, the primary suite offers its own fireplace, covered balcony, custom built-ins, a spacious walk-in closet, and a beautifully appointed bath with dual vanities, a soaking tub, and a walk-in shower. Life in Castaways strikes a balance between privacy and convenience. Residents enjoy the security of a 24-hour guard-gated community just moments from Newport Harbor, the Back Bay, Fashion Island, world-class beaches, and many of Newport Beach's most celebrated restaurants and shops. Combining generous living spaces, timeless design, and an exceptional location, 10 Cape Andover offers a refined coastal lifestyle in one of Newport Beach's most established neighborhoods.