Odeon Tower (World's Most Expensive Penthouse $387M)

Odeon Tower is the first new construction condominum building in Monaco to be built since the 1980s.

The penthouse of Odeon Tower promises to be the most expensive penthouse in the world at a conservative estimate of $387M. The penthouse will span the top 5 floors of the building at a total of 38,000 sqft and will include a waterslide from the ballroom down to the private rooftop pool.