3425 Ocean Boulevard Unit PH401, Highland Beach, FL 33487

$15,450,000 — Active

Property Features

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For the one seeking a feeling that is almost impossible to describe. There are oceanfront residences. And then there are those that simply cannot be matched. Occupying an entire floor at Le Sanctuaire, this extraordinary penthouse is one of only four residences and one of South Florida's rarest private offerings. Reimagined by the building's original developer and fully restored in 2024, every detail reflects a standard of craftsmanship defined not by trend, but by permanence. Arrive by private elevator to a vantage point rivaled only by being at sea. Simply: 180 degrees of uninterrupted Atlantic Ocean, framed by Maxi-View SSG floor to ceiling impact glass. From sunrise onward, the ocean becomes part of the architecture. Stained white oak ceilings, sculptural Calacatta marble, backlit natural crystal quartz, and a bespoke chef's kitchen establish an atmosphere of quiet distinction. The oceanfront primary suite is a private sanctuary of its own, with a boutique-inspired dressing room and a spa-like Dolomite marble bath centered around a freestanding soaking tub and illuminated, book-matched Australis marble. Beyond the glass, expansive terraces, a motorized pergola, private Jacuzzi, dedicated cabana, and lock-and-leave service create an experience that feels less like a penthouse and more like a private estate suspended above the Atlantic. One floor. Only four residences. An entire horizon. Some luxuries can be acquired. Others may never exist again.

Property Details

  • Listing ID: B26053630
  • Status: Active
  • Listing Date: 2026-07-17
  • Property Type: Condominium
  • Unit / Building #: PH401
  • Subdivision: LE SANCTUAIRE CONDO
  • County: Palm Beach
  • MLS Area: 4150
  • Bedrooms: 4
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Living Area Sq Ft: 3,800
  • Year Built: 1994

Financial

  • List Price: $15,450,000
  • HOA Fee: $7,126/mo
  • Taxes: $63,496/yr

Features & Amenities

  • View: City, Pool, Water, Ocean
  • Furnished: Unfurnished
  • Pets Allowed: Yes, Breed Restrictions
  • Parking: Assigned, Garage Door Opener, Guest, Underground, Under Building, Garage, Attached Garage, Attached
  • Cooling: Central Air, Electric, Zoned
  • Heating: Central, Electric, Zoned
  • Flooring: Ceramic Tile, Engineered Wood
  • Construction: Concrete, CBS
  • Roof: Aluminum, Metal
  • Interior Features: Bar, Built-in Features, Cathedral Ceiling(s), Central Vacuum, Elevator, High Ceilings, Kitchen Islan
  • Exterior Features: Courtyard, Outdoor Shower, Pool Bathroom, Balcony
  • Community Amenities: Beach Access, Cabana, Elevator(s), Fitness Center, Management, Parking, Pool, Spa/Hot Tub, Manager On Site, Trash Chute, Heated Pool, Lobby, Gated, Recreation Facilities

Courtesy of Serhant
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© 2026 Starfish Real Estate. Listings updated Nov 11, 2026 5:00 am. Listing data is derived from the Broker Reciprocity Program of the Realtor Association of Indian River County (RAIRC) and BeachsMLS. Properties listed by brokers other than Starfish Real Estate are identified with the applicable MLS logo and include the listing broker's name. Not all properties available through either MLS may be displayed. All MLS data is the copyrighted property of the respective MLS and its participants. Data is deemed reliable but is not guaranteed accurate and should be independently verified prior to entering into any transaction.