real estate website zillow has released a list of america 's 15 most expensive streets based on median house price .
indian creek island road in miami , florida , came top , boasting four of forbes ' 500 richest men as homeowners .
jay z and beyonce once called the island , which is made up of enormous lots and has its own police force , home .
second was beverly park circle , california , where hollywood names such as denzel washington and eddie murphy .