Ellemar Enterprises, a multi-generational, ultra-luxury homebuilder based in South Florida, has listed a fully reimagined oceanfront penthouse at Le Sanctuaire in Highland Beach for $26.9 million. The 6,182-square-foot, full-floor residence is located at 3425 S Ocean Blvd, Unit PH, Highland Beach, FL 33487.
Originally built by Ellemar more than 30 years ago, Le Sanctuaire is a boutique, four-residence building known for architectural sophistication, privacy and direct beach access. Ellemar has returned to this legacy project to unveil a modern coastal home that blends timeless design with contemporary features and functionality.
This reimagined penthouse is a jewel rising above the shoreline, where the Atlantic becomes part of your everyday canvas. Once a modest three-bedroom, it has been fully gutted and reborn into a sprawling four-bedroom, four-and-a-half-bath retreat that feels like a private oceanfront estate suspended in the sky.
From the moment you step inside, walls of floor-to-ceiling glass pull your eyes to the horizon because it’s a sweeping 180-degree panorama of endless blue waters and rolling waves. Mornings begin with golden sunrises spilling over the ocean, while evenings glow with fiery sunsets reflected across the sea. A wraparound terrace, outfitted with a summer kitchen, invites breezy dinners under starlit skies, the sound of the tide as your soundtrack.
Your private elevator whisks you to this sanctuary in the clouds, while direct beach access keeps the sand just steps away. Inside, curated designer finishes shimmer like sea glass, blending sophistication with coastal serenity. With Ellemar’s building-wide upgrades, the entire property now mirrors the elegance of the residence itself — a rare, turnkey escape where luxury and the ocean live as one.
Located between Boca Raton and Delray Beach, Highland Beach is one of South Florida’s most exclusive oceanfront communities. Known for its residential character, pristine shoreline and minimal commercial development, the town has fewer than 4,000 full-time residents.
“This project represents a full-circle moment. It connects the past, present and future of our family-run firm, which has more than three decades of experience in luxury development,” said Mark Rothenberg, CEO of Ellemar Enterprises. “With only four residences in the building, Le Sanctuaire offers a rare level of privacy.”
For more than 30 years, Ellemar Enterprises has been shaping the skyline and shoreline of South Florida, crafting luxury residences that stretch from the vibrant streets of Fort Lauderdale to the sun-soaked elegance of Palm Beach. This family-driven powerhouse, led by father-and-son duo Mark and Brandon Rothenberg, blends timeless craftsmanship with forward-thinking design.
Brandon (Left) and Mark (Right) Photo by Alison Frank Photography
Unlike many builders, Ellemar keeps its vision intimate; limiting projects to ensure every detail, from the first sketch to the final finish, meets their signature standard of excellence. Their portfolio goes far beyond custom dream homes, spanning design/build, consulting, renovations, project management, commercial spaces, and residential developments.
“Reimagining this residence alongside my father was especially meaningful,” said Brandon Rothenberg, vice president of real estate and development. “Returning to one of our earliest projects with a fresh design lens was both nostalgic and rewarding.”
The results speak for themselves. Ellemar’s work has earned prestigious recognition, including the 2022 Grand Aurora Award for Best Custom Home over 10,000 sq. ft. and the South Florida Business Journal’s 2022 Structures Award for Best Custom Single-Family Home—a testament to their artistry and relentless pursuit of perfection.
For more information about 3425 S Ocean Blvd, Unit PH, Highland Beach, contact Ellemar at 954.603.0500 or info@ellemar.com.
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