5160 Neptune Square Welcome to the pinnacle of coastal luxury at Mandalay Shores, celebrated by USA Today as the #1 beach on the West Coast. Situated on the most valuable, expensive lot across Oxnard beaches, this one-of-a-kind trophy property commands an unprecedented 159 feet of beach frontage--featuring 48 feet directly oceanfront and 111 feet along the side. As the only oceanfront flag-configuration corner lot, this architectural masterpiece offers unmatched privacy, multi-generational flexibility, and soaring, unobstructed 270-degree panoramic views stretching from the Channel Islands and Pacific horizons to the Ventura mountains and Santa Barbara.Spanning approximately 5, 400 square feet with 12-foot ceilings and pristine tile flooring perfect for beach living, this custom estate delivers jaw-dropping views from nearly every room. The main level features a sun-drenched, open-concept floor plan where massive sliding glass doors merge the interior with a private oceanfront deck. At the heart is a chef's dream kitchen outfitted with premium, ultra-expensive quartzite countertops, rich cherry wood cabinetry, and top-of-the-line Viking stainless steel appliances--including a 6-burner gas range and commercial-sized built-in refrigerator--complemented by a Miele dishwasher, a massive center island, a butler's pantry, and a chic sitting area with a gas fireplace and wet bar.An automated elevator carries you seamlessly to the second level, hosting two additional ocean-view living rooms and a media room complete with a fireplace, pool table space, and a projector. The palatial primary suite serves as a private sanctuary, featuring floor-to-ceiling windows, a wood-burning limestone fireplace, a private viewing deck, and an oversized walk-in closet with built-ins. The spa-like primary bath is clad in exquisite quartzite, boasting dual vanities, a jetted tub, and a seamless glass multi-head steam shower. Four spacious guest bedrooms reside on this level, three providing ocean vistas, and two offering private en-suite baths.Every detail exudes elite quality: custom wrought-iron railings, a Scottish thistle stained-glass window, surround sound wiring, solar panels, and a whole-house water filtration system. The exterior offers an outdoor shower, six ocean-view balconies, an oversized 4-car tandem garage, and a massive driveway accommodating 7+ vehicles. Perfectly positioned halfway between Malibu and Santa Barbara, your gateway to paradise awaits.