Architecturally sophisticated 4-bedroom, 5-bathroom residence offering a curated blend of contemporary design, elevated comfort, and the quintessential California indoor-outdoor lifestyle. Nestled in the heart of Mar Vista, this modern retreat is bathed in natural light, with soaring ceilings and wide-plank hardwood floors that create an effortless sense of openness and flow. At the center of the home, a chef's kitchen makes a striking impression featuring premium Thermador appliances, sleek custom cabinetry, and a bold center island designed for both casual gatherings and elevated entertaining. Expansive glass doors seamlessly dissolve the boundary between inside and out, leading to a private backyard oasis complete with a BBQ and designer fire pit. Upstairs, the primary suite offers a true sanctuary an oversized layout complemented by a spa-inspired bath with soaking tub, rain shower, dual vanity, and custom walk-in closet. Each secondary bedroom features its own en-suite bath, offering luxurious comfort and privacy. The top-level suite provides unmatched flexibility, ideal as a guest retreat, executive office, or bespoke wellness studio. Step out onto the show stopping rooftop terrace where a spa-quality hot tub, fireplace, and integrated beer tap create the ultimate setting for sunset cocktails or relaxed weekend entertaining, all set against the backdrop of Mar Vista's skyline. Designed with smart and sustainable living in mind, the home is equipped with paid-off solar panels, a Tesla EV charger, Control4 smart home automation, and Lutron lighting throughout. With no shared walls, no HOA, and no monthly fees, this freestanding residence delivers privacy and autonomy without compromise. Located moments from Venice, Santa Monica, Culver City, and close proximity to 10fwy and 405 fwy, 3658 Beethoven is more than a home it's a refined expression of Westside living at its finest.