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Inside the $15 Million Seaside Oasis, Osterville's Prestigious Cape Cod Estate Up for Sale

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Published on July 21, 2025
Inside the $15 Million Seaside Oasis, Osterville's Prestigious Cape Cod Estate Up for SaleSource: Sotheby's International Real

The coastal town of Osterville on Cape Cod boasts a real estate gem with a substantial price tag to match its allure. Positioned against the backdrop of Nantucket Sound's picturesque waters, 391 Sea View Ave. stakes its claim as one of the summer's priciest listings, demanding a cool $15 million. This places it as the second most expensive residential property up for grabs on Cape Cod this season, according to a listing on Boston.com.

The residence, constructed on a 1.23-acre plot in 2020, shines as a modern creation where a troubled building once stood. The lavish 5,502-square-foot house, designed by Polhemus Savery DaSilva, dons a unique roof that nods to the ocean's wavy embrace, Gene Orloff of Sotheby's International Realty, who holds the listing, captures the essence of the location: "It’s an amazing house but an even more amazing location," he told Boston.com. Beyond its two bedrooms and six baths, the home's integrated septic system supports up to seven bedrooms, offering an array of space customization options.

Stepping through the front door, visitors are greeted by an expansive grand staircase. The home's interior boasts an open layout, hardwood floors throughout, and two fireplaces. One of these is a centerpiece to an exquisite living room adorned with built-in bookcases and a sweep of windows that bathe the space in natural light. The formal dining room, no less impressive, opens up to a stone patio offering views of the surrounding waters. "Every architectural detail is thoughtfully considered," as described by Boston.com, the kitchen radiates ease and elegance with its marble countertops, stainless steel appliances, and a generous center island.

The crown jewel of the estate lies upstairs, within the primary bedroom, where vast windows frame the oceanic horizon. Walls dressed in blue-and-white wallpaper echo the natural scenery outside, while, the en-suite bathroom offers breathtaking vistas complimented by brass fixtures and blue-and-white tile. "It’s a magical beachfront setting, which is why they bought the house to begin with," Orloff remarked in the statement obtained by Boston.com. Rounding out the property, lush gardens encircle the home, leading to a private sandy beach that seals its enchanting coastal appeal.

Moreover, the estate includes a two-bedroom guest house, measuring 1,228 square feet, replete with its own fireplace and water-view deck. This separate living space is portrayed as an "unparalleled blend of elegance, privacy, and coastal charm," as detailed by Sotheby's Realty listing. The sale of this Osterville property presents a rare opportunity to acquire a piece of Cape Cod's renowned seascape and the luxury lifestyle it affords.

Boston-Real Estate & Development