Discover unparalleled luxury at 337 Old Jupiter Beach Road, an exquisite 5-bedroom, 6.5-bathroom grand waterfront estate nestled in the tranquil and prestigious Sanctuary Bay neighborhood of Jupiter. Situated on a tranquil and private lot with 90 ft of direct Intracoastal waterway frontage, the property on nearly 3/4ths of an acre boasts breathtaking views across a protected preserve of Fullerton Island. The well-designed outdoor space includes a covered patio, an outdoor kitchen, and a luxurious pool and spa, perfect for entertaining or private relaxation by your own private sandy beach area. This custom-designed property offers privacy and elegance on one of the area's most idyllic streets with no through traffic, setting a new standard for high-end living. The interior featureshigh ceilings and custom millwork throughout, enhancing the open, airy feel. A gourmet kitchen equipped with a gas range, island prep station, views of the pool & intracoastal make preparing and eating a delight. Luxurious living spaces include a loft, a media room (optional 6th bedroom), and a separate apartment, offering versatile living options. Stunning ceiling work, all-marble flooring, and beautifully appointed impact windows & doors underscore the home's exquisite attention to detail. Enjoy unrestricted access to the open ocean with a short boat ride from your deepwater dockage. Electric screens on the second-floor lanai provide comfort and privacy, perfect for enjoying scenic, peaceful views. Ample outdoor parking and a majestic wrought iron entry gate add security and grandeur. Just a few short minutes to your favorite places like Starbucks and Fresh Market or take a short kayak trip to Harborside from your backyard, this property is more than just a home - it's a lifestyle, promising serene, luxurious living that's simply unmatched.