661 79TH Circle S Welcome to an extraordinary waterfront retreat in the highly sought-after Causeway Isles of St. Petersburg. Perfectly positioned on a premier point lot with over 122 feet of waterfront, this completely reimagined single-story residence offers breathtaking open water views, effortless indoor-outdoor living, and the rare combination of luxury, comfort, and exceptional boating access. From the moment you step inside, soaring volume ceilings and walls of glass create an unforgettable first impression, framing spectacular water views that immediately capture your attention. The thoughtfully designed open floor plan is enhanced by wide-plank European white oak flooring, creating a warm yet sophisticated backdrop for everyday living and entertaining. At the heart of the home, the chef's kitchen blends timeless craftsmanship with today's technology, featuring custom cherry cabinetry, stunning granite countertops, a premium smart appliance package, Jenn-Air wine refrigerator, built-in Miele coffee center, and generous workspace for gathering with family and friends. The expansive split-bedroom floor plan offers exceptional privacy, highlighted by an oversized primary retreat with its own sitting area, dual walk-in closets, and a spa-inspired bath featuring Restoration Hardware vanities, Cambria quartz countertops, Kohler Anthem smart shower system, steam shower, cedar sauna, and luxury finishes throughout. The guest bath has also been beautifully renovated with premium Kohler digital shower controls and designer appointments. Designed for today's lifestyle, the home offers extensive smart home technology, including smart lighting, dual high-efficiency 18-SEER HVAC systems, hybrid smart water heater, updated plumbing and electrical systems, Rain Bird smart irrigation, and MyQ smart garage doors, providing peace of mind and exceptional efficiency. Outside, enjoy the very best of Florida waterfront living. A newer dock features a 13, 000-pound boat lift thoughtfully positioned along the side of the property, preserving uninterrupted panoramic water views while providing convenient boating access to Tampa Bay and the Gulf of Mexico. Whether relaxing poolside, entertaining on the waterfront, or setting out for a sunset cruise, every day feels like a vacation. Located just minutes from award-winning Gulf beaches, downtown St. Petersburg, waterfront dining, and vibrant shopping, this exceptional waterfront home offers the perfect blend of luxury, boating lifestyle, and move-in-ready convenience in one of St. Petersburg's most desirable waterfront neighborhoods.