The world’s most expensive penthouse is located in Monaco.
It’s massive, and it towers over one of the few places in the world where the price tag it carries makes sense.
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This is the second tallest building on Europe’s Mediterranean coastline and it’s absolutely massive.
With 35,500 square feet of usable space, and a nine-figure price tag, this is the world’s expensive penthouse.
In fact, this is the most expensive private property per square meter.
Dubbed Tour Odeon Tower Sky Penthouse, it has a rooftop deck and a pool, a water slide for the infinity pool, and outstanding views of the Mediterranean and the city-state.




Design-wise, the penthouse blends Mediterranean vibes with warm and gold tones that would look like right at home in Dubai.
The bathroom is almost entirely made of black and white marble, and each bedroom has its own dedicated balcony.
It was designed by Alberto Pinto and Alexandre Girald, and developed by Groupe Marzocco.
It’s an impressive project, and the price tag is enormous.
The home is available for $387 million.


And therein lies the problem.
According to Forbes, there are 2,640 billionaires in the world in 2023 and, in theory, each one of them would be able to afford this.
And for billionaires with an 11- or even 12-figure net worth, this would be a drop in the ocean.
And yet, the penthouse has been struggling to find a suitable buyer since hitting the market in 2015.
This is likely due to a couple of potential issues.


Firstly, buying this house would automatically put the buyer on the map and make them famous.
And some billionaires prefer to keep a low profile
Secondly – and perhaps more importantly – most billionaires aren’t willing to splash out $387 million on a home they didn’t design.
Almost by definition, everything they want and buy has to be custom made for them.
This is the same issue that the developer of The One, once the world’s most expensive one, faced.
They wanted $500 million but failed to find a buyer, and the house eventually went into foreclosure and was sold for ‘just’ $141 million.