Welcome to this breathtaking 4-bedroom, 3-bathroom home in the highly sought-after Tesoro community of Laguna Niguel. Ideally situated at the end of a peaceful cul-de-sac on an expansive 10,500-square-foot lot, this exceptional residence offers the perfect blend of luxury, comfort, privacy, and resort-style living. A beautifully finished paver driveway and custom leaded-glass double doors welcome you into a grand foyer featuring a stunning travertine staircase with wrought-iron balusters and rich wood accents. The light-filled formal living room showcases soaring vaulted ceilings, a bay window, and a raised-hearth stone fireplace, while the adjoining formal dining room is enhanced with crown molding, recessed lighting, and leaded-glass windows. The gourmet kitchen is designed to impress with custom cabinetry, granite countertops, commercial-grade Thermador appliances, a Sub-Zero refrigerator, center island, walk-in pantry, and butler's pantry. The adjoining family room features a dramatic floor-to-ceiling stone fireplace, custom built-ins, and French doors that open to a spectacular backyard. Designed for year-round enjoyment and effortless entertaining, the private backyard is a true resort-style retreat featuring a heated pool and spa with a rock slide, waterfall, Baja shelf, and remote-controlled pool equipment, along with a built-in BBQ and beautifully designed gazebo - creating the perfect setting for outdoor gatherings and relaxation. A versatile main-floor bedroom includes custom built-ins, a queen-size Murphy bed, built-in desk, entertainment center, and walk-in closet - ideal for guests or a home office. Upstairs, the luxurious primary suite offers a two-sided fireplace, private balcony with tranquil hill views, and a spa-inspired bath featuring custom cabinetry, travertine flooring, marble countertops, dual vanities, a jetted soaking tub, and a separate walk-in shower. Two additional bedrooms are spacious and bright, including one with a private balcony and walk-in closet. A beautifully appointed secondary bath features dual vanities, travertine finishes, and a tub/shower combination. Offering timeless craftsmanship, thoughtful upgrades, and exceptional indoor-outdoor living, this remarkable Tesoro residence presents a rare opportunity to own one of Laguna Niguel's finest homes.