Odeon Tower in Monaco most expensive penthouse in world Favourite Spanish Property Insight › Forums › Spanish Property Forums › Other Subjects › Odeon Tower in Monaco most expensive penthouse in world This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 5 years, 8 months ago. Author Posts May 9, 2013 at 11:23 am #57456 AnonymousParticipant I read in the press that they the most expensive penthouse in the world will be in the Odeon Tower in Monaco, currently under construction. The price? 191 million Euros 😯 Might not be true of course. Author Posts The forum ‘Other Subjects’ is closed to new topics and replies.