Nestled in the sought-after estate area of San Marino, this Colonial Georgian residence offers a rare combination of timeless elegance, modern luxury, and historical significance. Originally built in 1918 for Henry E. Huntington, founder of the Huntington Library and Huntington Hospital, this estate spans an impressive 10,458 sq. ft. and has been meticulously maintained while preserving its architectural charm. A wrought-iron gate opens to a stone-paved driveway, flanked by impeccably landscaped gardens. The home's grand entrance features 12-foot ceilings, exquisite chandeliers, and rich wood detailing, exuding sophistication and grace. An elevator and grand staircases connect all levels for seamless access. The primary suite is a private retreat with a jacuzzi, walk-in shower, spacious closet, and sitting area. Six additional ensuite bedrooms provide privacy and luxury. The estate also includes a formal dining room, stately library, conference room, and a fully equipped cinema. Additional features include a gym, massage and barber room, multiple wet bars, and a wine cellar. Outdoor amenities are equally impressive, with balconies and terraces perfect for dining and entertaining. The resort-style pool with a waterfall and lighting, tennis court, cabanas, koi pond, and a Japanese-inspired tea house create an oasis of relaxation. The beautifully landscaped grounds also include a gazebo, garden pathways, and private retreat areas. The property is enhanced by a six-car garage, maid's quarters with two ensuite bedrooms, and a spacious two-story guest house. Fireplaces throughout the home and zoned central air-conditioning provide year-round comfort. Located in the award-winning San Marino School District, this historic estate offers a rare opportunity to own a home that combines timeless design with modern amenities in a premier location.