221 17th Exceptional south-facing walk street duplex in one of Manhattan Beach’s most coveted locations, offering panoramic ocean views from Palos Verdes to Malibu. Custom built in 2002, this coastal residence encompasses approximately 4, 500 square feet of living space, thoughtfully designed to capture light, views, and seamless indoor-outdoor living. The main residence spans approximately 3, 500 square feet and is anchored by an upper-level living experience that showcases sweeping coastline vistas. A spacious family room with fireplace opens to an expansive ocean-view terrace, while the primary suite offers a private retreat complete with its own view patio, generous walk-in closet, and spa-caliber bath featuring an extended dual vanity, oversized frameless shower, and 2 person spa tub. A dedicated partially partitioned office or flex space, wet bar with built-in mini-frig, and guest bath complete this level, all oriented to maximize the home’s remarkable 180-degree views. The main level is designed for entertaining, highlighted by a dramatic two-story living room, statement fireplace, and an architecturally striking floating staircase. The chef’s kitchen is appointed with custom wood cabinetry, granite countertops, and premium stainless steel appliances, flowing effortlessly into dining and living spaces that extend to ocean-facing terrace ideal for hosting and everyday coastal living. The lower level offers a private guest wing with two bedrooms, a dual-vanity bath, laundry, and a secondary beach family room that opens to its own patio and outdoor shower, perfect after a day at the beach. A separate approximately 850-square-foot second residence features two bedrooms, two bathrooms, a full kitchen, living room with fireplace, and a private ocean-view patio, presenting exceptional flexibility for multigenerational living, guest accommodations, or income potential. Additional amenities include high ceilings, dual-pane windows, three zoned furnaces, whole-house water filtration, central vacuum, security system, dumbwaiter, extensive led recessed lighting, coffered ceilings and pre-wiring for integrated home technology. The property offers six-car parking, including a four-car garage. Ideally located just moments from downtown Manhattan Beach, the beach, the pier, and an array of acclaimed dining and boutique shopping, this offering represents a rare opportunity to own a premier walk street property with enduring coastal appeal.