Welcome to an extraordinary waterfront residence featuring an approximately 90 ft private dock, tucked away at the end of a quiet cul-de-sac on Humboldt Island, one of the most desired and prestigious locations in Huntington Harbour. This turnkey 4,648 SqFt, 4-bed, 3.5-bath home blends modern luxury with timeless coastal design, offering two primary suites and unobstructed full-harbour views. Outdoor living shines with a new above-ground spa, a spacious partially enclosed California room with one large and open steel framed sliding door, an expansive patio, gas powered fire place, built-in barbecue with mini-fridge, herb garden, upgraded hardscape, and 2 water fountains. The exceptionally large dock includes Australian ProFenders, enhanced dock lighting, and a new 50-amp electrical system. Inside, high-end chandeliers, porcelain flooring, integrated ceiling speakers, and a striking stone fireplace elevate the main level. Sliding glass doors create seamless indoor / outdoor flow. A beautiful floating glass staircase leads to four upstairs bedrooms. The chef's kitchen includes solid wood cabinets imported from the Pacific Northwest, Sub-Zero refrigeration, a Thermador six-burner range, microwave with warming feature, quartzite counters, bar sink, walk-in pantry, and wine closet. Large sliding glass doors invite natural light into the space, creating an inviting atmosphere for cooking and gathering. A separate office adds flexibility. Both primary suites offer unparalleled harbour views. One features two upgraded walk-in closets, including a glass shoe display, fireplace, and fully remodeled bath. The second offers new closets and a newly designed bathroom. Additional bedroom includes a balcony; every toilet features a bidet. Additional highlights include solid doors, newer HVAC systems, water softener, and a fully upgraded three-car garage with epoxy floors and new motor. Custom hardscape, cobblestone driveway, and an upstairs laundry room complete this exceptional waterfront residence. This extraordinary residence on Humboldt Island blends impeccable craftsmanship, modern comfort, and waterfront serenity, creating a rare opportunity to own a truly exceptional home in one of Huntington Harbour's most coveted neighborhoods.