Take A Look Inside The Most Expensive House For Sale In Maine So, you recently hit the Powerball or Mega Millions jackpot and you've decided it's time to ditch your tiny house for something more fitting of your current lifestyle. After all, it would be kind of weird to land your private jet at the airport and then drive your new Ferrari to a one room shack in the woods, right? Well, if you have the cash to spend this could be the perfect house for you! According to Realtor.com, the most expensive house in Maine is located at 135 Mountain Arrow Drive in Camden.