Answer 1 of 8: Is there a self parking garage at Cosmo or Aria. If there is, is there a back access road to enter?. Find parking costs, opening hours and a parking map of The Cosmopolitan of Las Vegas underground parking on S Las Vegas Blvd as well as other. An employee watches a customer pay for parking near the parking garage exit at the Cosmopolitan Las Vegas, Tuesday, May 16. With nine stories, the New-York-New York garage can accommodate up to 5, vehicles. Ask Dvoyager1 about The Cosmopolitan of Las Vegas, Autograph Collection. High end to budget; Outlet Malls; Liquor stores Shows: You can enter the garage from the Strip or from Audrie Lane behind the hotel. Five, parking begins on level two. The garage is 14 stories tall. The garage has no level one it's actually offices.