Cantilevered above the protected shoreline, 509 Smith Brothers Road is a singular architectural retreat where water, marshland, and sky unfold in nearly every direction. Originally built as a fisherman's bungalow, the home was completely reimagined and rebuilt in 2015 by celebrated San Francisco architect Olle Lundberg. The result is a residence that feels both elemental and highly refined, with soaring vaulted ceilings, a dramatic wall of glass, and expansive bay views that bring the surrounding landscape into nearly every room. A wood-burning stove anchors the great room with warmth and intimacy, creating a striking counterpoint to the openness of the setting. The chef's kitchen is seamlessly integrated into the main living space and opens to a private deck, where a custom cedar soaking tub is perfectly positioned for quiet mornings, sunset soaks, and evenings beneath the stars. The two bedrooms are thoughtfully arranged for privacy and tranquility, each with a strong connection to the water. They share a beautifully detailed bath where materiality, function, and restraint come together with exceptional care, including direct deck access that further strengthens the home's indoor-outdoor connection. Built almost entirely from reclaimed materials and designed to be net-positive with rooftop solar, 509 Smith Brothers Road reflects a rare level of environmental consideration without compromising comfort, beauty, or architectural presence. Every element feels intentional, resulting in a home that is deeply rooted in its settingprivate, restorative, and unmistakably of the Sonoma Coast. Neighboring 501 Smith Brothers Road may also be acquired, creating an extraordinary two-residence coastal compound. The homes share a private drive while operating independently, each with its own utilities. Both are established short-term rentals on Wander with strong year-round bookings, presenting a truly rare opportunity to own one or both of these architecturally significant waterfront residences.