Welcome to 420 17th Court Gulf--a beautifully renovated and meticulously maintained 1, 199 sq ft ground-level CBS home offering luxury finishes, thoughtful upgrades, and inviting indoor-outdoor living in the heart of Marathon. This 2 bedroom, 2 bath residence lives large with an open layout, vaulted ceilings, a stunning coastal kitchen with 42'' cabinetry and stone counters, and a bright, airy living space filled with natural light.A 2023 permitted addition transformed the primary suite into a true retreat, featuring a spa-inspired bathroom with dual custom glass vessel sinks, an oversized walk-in shower, LED backlit mirror, and an expansive custom-built walk-in closet. The guest suite and second bath are equally well appointed. Rare offerings include attic storage with pull-down staircase access, as well as additional cabinetry and storage in the new laundry room.Outside, the home offers multiple outdoor living areas, including a spacious covered lounge with wood-paneled ceilings, dedicated entertainment zones, and thoughtfully designed tropical landscaping. The fully fenced yard provides privacy, low-maintenance stone pathways, and flexible spaces ideal for relaxing or hosting guests.Additional features include a metal roof, updated HVAC (2018), indoor laundry, dedicated storage areas, paddleboard/kayak storage, and ample parking. Nestled on a quiet Gulf-side street close to restaurants, shops, and the Seven Mile Bridge, this home embodies the Keys lifestyle--Island Luxury Redefined.