Casa Casuarina, Miami Beach, FL

Forbes: $100 Million Homes

List price: $125 million
House size: 23,400 square feet
Listed with: The Jills of Coldwell Banker Previews International

The Miami Beach mansion boasts 10 bedrooms, 11 bathrooms, an observatory and a 54-foot-long pool decorated in mosaic tiling and lined with 24 karat gold in the backyard. Formerly owned by the late Gianni Versace, the gated Ocean Drive mansion is currently used as a high-end boutique hotel, but it's available for purchase as a single-family home as well.

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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$100 Million Hom... When it comes to selling real estate, price is everything. Whether a $5 million mansion or a $100,000 fixer-upper, asking prices are usually based on a mix of comparable property listings and sales, house and land size and the property’s condition.

But logic often breaks down with the highest-end trophy homes. By definition they are unique, sometimes one-of-a-kind places for which few (or sometimes no) comparables exist. Value becomes highly subjective.

“I call it pricing using the ‘P.F.A.’ or pull from air,” says Jonathan Miller, chief executive of Miller Samuel, a New York-based appraisal firm. Miller values homes, including trophy properties, and tracks sales data in major markets along the East Coast. “It becomes, ‘find the highest sale you can and come up with any kind of logic to talk yourself into a number that’s 10 percent to 20 percent higher.’”

Some luxury realtors agree, though they tend to phrase it differently: Find the price it would take for a moneyed buyer to sell.

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
CitySpire Pentho... List price: $100 million
Condo size: 8,000 square feet
Listed with: Prudential Douglas Elliman Real Estate

This octagonal 8,000-square-foot penthouse spans the top three floors of the CitySpire building in midtown Manhattan. Amenities include a media room, 20-person dining room, formal gallery, conference room, 1,000-bottle wine storage, interior elevator exclusive to the three floors and the city's highest terraces.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Casa Casuarina, ... List price: $125 million
House size: 23,400 square feet
Listed with: The Jills of Coldwell Banker Previews International

The Miami Beach mansion boasts 10 bedrooms, 11 bathrooms, an observatory and a 54-foot-long pool decorated in mosaic tiling and lined with 24 karat gold in the backyard. Formerly owned by the late Gianni Versace, the gated Ocean Drive mansion is currently used as a high-end boutique hotel, but it's available for purchase as a single-family home as well.

(Forbes Image)

More from Forbes:
Rental Homes Near Movie Sets
America's Ugly Mansions
10 Stunning Homes Of The Future

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
15 Central Park ... List price: $95 million
Condo size: 5,200 square feet
Listed with: CORE Group

Steel magnate Leroy Schecter is combining two side-by-side units into one large apartment that will have five bedrooms, seven bathrooms, a library, a gallery area and access to some of the best building amenities in the city. The units were listed in 2010 for a smaller $55 million asking price before being pulled from the market. The new price-hiked offering includes the cost of renovation.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Fleur de Lys Man... List price: $125 million
House size: 35,000 square feet
Listed with: Michael Waddington

Inspired by a French chateaux, Suzanne Saperstein's 12-bedroom, 15-bathroom manse touts a ballroom that fits 200 guests, two kitchens, staff quarters for 10 people, a 50-seat theater, a nine-car garage and a three-quarter mile jogging track.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Ritz Carlton Pen... List price: $95 million
Condo size: 5,078 square feet
Listed with: Halstead Property

Located on the top floors of the Ritz Carlton Hotel, this duplex prewar condo has three bedrooms, four bathrooms, a glass-roofed solarium that opens out onto a terrace, a 42-foot-long ballroom for entertaining and views of Central Park.

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Owlwood Estate, ... (Unofficial) List price: $100 million
House size: 12,000 square feet, 11 acres
Rumored to be listed with The Agency

Owlwood Estate, which has dashed sales records in the past, is unofficially shopping for a buyer. Rumors have pegged the price tag at $150 million, though Forbes has it on good authority that it's more like $100 million. The estate is an amalgamation of three-storied celebrity properties with previous owners including Jane Mansfield, Sonny and Cher and Tony Curtis.

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One57 Penthouses... List price: $115 million for top floor penthouse
List price: $115 million for Winter Garden penthouse
Condo size: 10,920 square feet for top floor penthouse
Condo size: 13,550 square feet for Winter garden penthouse
Both condos are in contract for undisclosed amounts

The two palatial penthouses in Manhattan's newest luxury midtown high rise will have floor-to-ceiling windows overlooking Central Park and the lower unit, dubbed the "winter garden" penthouse, will tout a two-story, glass-enclosed indoor garden once the building is completed next year.

(Forbes Image)

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Milner Mansion, ... List price: $95 million
Monthly rent price: $600,000
House size: 50,000-plus square feet
Listed with: Hilton & Hyland

The former estate of William Randolph Hearst and Marion Davies first hit the market in 2010 after financier Leonard Ross filed for bankruptcy protection. The massive estate has double master bedroom suites, staff quarters, several guest houses, two screening rooms, a hand-carved wood-paneled library, an art deco-designed nightclub, spa facilities with a gym, a lighted tennis court with indoor bar and an eight-car garage.

In America's most expensive single-family home transaction, the Russian billionaire spent $100 million for a secondary home in Silicon Valley. The French chateau-style mansion boasts 14 bathrooms, two dining rooms, a ballroom, a library, staff quarters, a home theater, a wine cellar, a gym, an indoor pool, and a sauna. There’s also a 4,600-square foot guest house and two three-car garages, even a private car wash. The chateau traded hands in 'turn-key' condition.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
The Beverly Hous... Sale price: $100 million
House size: 25,500 square feet
Owner: Yuri Milner, venture capital billionaire

In America's most expensive single-family home transaction, the Russian billionaire spent $100 million for a secondary home in Silicon Valley. The French chateau-style mansion boasts 14 bathrooms, two dining rooms, a ballroom, library, staff quarters, home theater, wine cellar, gym, indoor pool and sauna. There’s also a 4,600-square-foot guest house and two three-car garages, even a private car wash. The chateau traded hands in 'turn-key' condition.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Maison de L'Amit... List price: $125 million
Sale price: $95 million
House size: 60,000 square feet
Owner: Russian billionaire Dmitry Rybolovlev

The sprawling oceanfront compound, bought from Donald Trump in 2008, includes diamond and gold fixtures, a ballroom, conservatory, 100-foot-long swimming pool and garage capable of housing up to 50 cars.

In America's most expensive single-family home transaction, the Russian billionaire spent $100 million for a secondary home in Silicon Valley. The French chateau-style mansion boasts 14 bathrooms, two dining rooms, a ballroom, a library, staff quarters, a home theater, a wine cellar, a gym, an indoor pool, and a sauna. There’s also a 4,600-square foot guest house and two three-car garages, even a private car wash. The chateau traded hands in 'turn-key' condition.

(Forbes Image)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
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