Landmark Palm Beach Megamansion is listed for an eye-popping $175 million after a 5-year makeover
A monumental mega mansion in Palm Beach, built in 1928 and designed by an architect Addison Mizner has hit the market for a whopping $175 million after being completely redesigned.
The 15-bedroom estate known as Casa del Ensuenos is located in the Estate section, minutes away from President Donald Trump‘s Mar-a-Lago. Businesswoman Ann DesRuisseaux bought the property for $24 million in 2020 and has spent the past five years renovating the space.
The beautiful home spans 21,534 square feet and offers 200 feet of frontage along the Intracoastal Waterway. It’s made a splash at the top of this week’s list most expensive houses list. It’s also one of eight Florida properties on this week’s list.
The over-the-top residence features an elevator, eight fireplaces, a chef’s kitchen and a primary suite with dual bathrooms.
The 1.42-acre estate features other notable amenities, including a sunken tennis court, a tennis pavilion, a boathouse, a performing arts theater with a stage, a new seawall, private docks with a boat lift, and a six-car garage. A covered loggia overlooks the heated infinity pool.
More stunning estates making the list of most expensive homes of the week include a waterfront residence at the Four Seasons Resort and Residences Puerto Rico with four casitas, a neo-federal estate on Manhattan’s Upper East Side, and a “mostly furnished,” newly completed Manalapan mansion.
10. 84 LA Gorce Cir, Miami Beach, FL
Price: $39,000,000
La Gorce Island: This five-bedroom waterfront estate is located on the 24/7 guarded island enclave and features 30 meters of water frontage.
The 5,364-square-foot residence, built in 1960, is being offered as a tear-down opportunity to “design and build a custom modern waterfront estate.” While no interior photos are included in the listing, the property does include a pool, two-car garage and deep-water boat dock.
The nearly half-acre site offers spectacular views of Biscayne Bay.
Jonathan Alfonso of eXp Realty LLC is the listing agent.
9. 12 Las Estancias, Rio Grande, Puerto Rico
Price: $42,500,000
Four Seasons Resort and Residences Puerto Rico: This nine-bedroom complex on 1.7 hectares features a main residence, three guest casitas and a wellness casita with a sauna and massage room.
Overlooking a secluded beach, the 17th hole of the Trent Jones Jr.–designed golf course and the Audubon International Nature Reserve, the 10,967 square meter private estate is surrounded by Hong Kong orchids and lush landscaping. The main residence features a double-height atrium with water features, a home office, a library, a media room and a primary suite with views of the Atlantic Ocean and a private terrace that spans the entire second floor and overlooks the pool.
A monthly association fee of $1,865 provides access to the resort’s amenities, including sports courts, a beach club with oceanfront pool and two miles of beaches.
Margaret Pena Juvelier of Puerto Rico Sotheby’s International Realty is the listing agent.
8. 6315 S Flagler Dr, West Palm Beach, FL
Price: $42,500,000
New construction: This seven-bedroom waterfront mansion overlooking Palm Beach Island will open in late January 2026.
The beautiful estate offers front-row views of the Intracoastal Waterway and features two full designer kitchens, a media room with stadium seating, a spa, a wine room and a primary corner suite encased in glass to enjoy the views. Outside, there is a second-floor pool with a spa, multiple cooking areas and a cocktail bar.
It also has a 30-meter deep-water dock designed for large yachts.
Hilary Musser of Hilary Musser Real Estate LLC is the listing agent.
7. 125 65th Street, Manhattan, NY
Price: $45,500,000
35 meter wide mansion: This neo-federal estate on the Upper East Side was built in 1910 and originally designed by an architect Charles A. Plattwho also worked on houses for the Roosevelts And Astors.
The six-bedroom brick house has been meticulously renovated after a gut renovation. Period highlights in the six-storey house include beamed ceilings, a dining room with seating for 16 and five fireplaces.
Modernizations include all new systems, an elevator, oak herringbone floors, a full-floor primary suite with dual bathrooms, separate staff quarters, a wellness floor with a cold plunge, a fitness center, a wine cellar/tasting room and a media room.
There is also a roof terrace and private courtyard patio.
Melissa Post van Serhant is the listing agent.
6. 6 Riverview Rd, Jupiter Island, Florida
Price: $49,000,000
Intracoastal facade: Built in 1962, this seven-bedroom mansion offers 450 feet of water frontage and a private beach.
The residence features 7,958 square feet of mid-century space with wood-clad walls, parquet floors and floor-to-ceiling glass walls. It also features a cozy living room with fireplace, a dining room with access to a patio and a library with built-in shelves. The 1.72-hectare estate also has a swimming pool and several outdoor patios.
There is also an opportunity to expand the property with an additional 2,486 square feet of space, according to the listing.
Adrian Reed of William Raveis Real Estate is the listing agent.
5. 1413 N Venetian Way, Miami, FL
Price: $59,900,000
Venetian Islands: This brand new estate offers stunning skyline views, 100 feet of water frontage, new deep water dock, boat lift and direct access to Biscayne Bay.
The seven-bedroom contemporary offers 10-foot ceilings, glass walls, double kitchens, a cinema room, an elevator and a roof terrace. Also found throughout the 10,689-square-foot composite “trophy estate” are Brazilian cabinetry, smart home automation, and hardwood and marble floors.
The seaside plot which offers ‘luxury waterfront living’ also has a 22 meter swimming pool with spa, a summer kitchen and an ‘understory’ designed for 10 vehicles.
Matthew Crane of Compass is the listing agent.
4. 10203 Collins Ave unit 2801, Bal Harbor, FL
Price: $75,000,000
Oceana Ball Haven: This expansive six-bedroom ‘crown jewel in the sky’ features a two-story interior packed with lavish amenities.
Built in 2017, the corner penthouse is surrounded by floor-to-ceiling windows to enjoy breathtaking views from the Miami skyline to Biscayne Bay and beyond. A private elevator opens to the 8,903-square-foot home, which features a huge dining room, home office, media room and a primary ocean-view suite with a sitting room, full bath and access to a wraparound terrace.
A 7,000-square-foot rooftop deck features a private pool, hot tub, outdoor kitchen, and numerous areas for lounging and entertaining.
Joaopedro Estrada from MC Miami Realty LLC is the listing agent.
3. 1100 S Flagler Dr. Unit 2401/2402, West Palm Beach, FL
Price: $78,900,000
The Bristol Apartment: This 14,502 square foot waterfront penthouse is said owned by the estate of the late Matrix Essentials hair and beauty mogul, Sydell Miller.
Miller purchased two top-floor apartments for $42.56 million in 2020 and transformed them into one sophisticated residence. The “breathtaking estate in the sky” now features an impressive foyer, a waterfront living room, a family room with a wet bar and a library with built-in shelving. Also found in the five-bedroom home are a chef’s kitchen with a butler’s pantry, a staff corridor with a security room and a primary wing with a hair salon and massage room. A wraparound terrace offers panoramic views of the Intracoastal Waterway, the Atlantic Ocean and the skyline of downtown West Palm Beach.
There is also a private garage for two cars, along with additional space in the main garage.
Christian corner of Christian Angle Real Estate is the listing agent.
2. 1260 S Ocean Blvd, Manalapan, FL
Price: $85,000,000
Recently completed: Completed in 2024, this eight-bedroom mansion offers 164 feet of ocean frontage.
The 19,023-square-foot home, known as Saltbox, is offered “mostly furnished” and includes three levels of luxurious living. A two-story glass entry door opens to a spacious floor plan surrounded by oversized windows. Lavish amenities include a billiards room, built-in bar, tiered movie room, bunk room, fitness center, and a primary wing with a fireplace, dual bathrooms, boutique-inspired closets, and a covered patio.
The 1.46-acre estate, which stretches from the Atlantic Ocean to the Intracoastal Waterway, also features a covered patio with an outdoor kitchen, a swimming pool with a hot tub, an eight-car garage and a concrete dock with a beach.
Jack Elkins of William Raveis Real Estate is the listing agent.
1. 800 S County Rd, Palm Beach, FL
Price: $175,000,000
Casa del Ensueños: This waterfront mega home overlooking the Intracoastal Water features private docks with a 40,000 pound boat lift, a sunken tennis court, tennis pavilion and boathouse.
The 15-bedroom old estate offers a massive 21,534 square feet of renovated space that’s fresh out of a multi-year reinterpretation. Opulent details found in the “one-of-a-kind” home, tucked away in the Estate section, include a covered loggia, a performing arts theater with a stage, eight fireplaces and a heated infinity pool.
The 1.42-acre site also includes a six-car garage.
Margit Brandt of Premier Estate Properties – Palm Beach is the broker.
