What is the Difference between Gambling in Monaco vs. What Does the Monte Carlo Casino Look Like? Outside To get to the actual casino part, you will have to be 18 years or older. For the Monte Carlo casino specifically, anyone can enter the lounge area where you pay for your entrance fee. You have to be at least 18 years or older to enter the casino portion. How Old Do You Have to Be to Gamble in Monaco? Times may change so please always double-check their website here. What Hours is the Monte Carlo Casino Open?Ĭasino hours are from 2:00 pm to 4:00 am every day. If you need money exchange places in Nice, I’ve written a whole blog post about it here. Also, if you are staying in Nice, it’s only about a 30-minute Uber ride or train ride. It sits at the head of Casino Square which is the main plaza where everything is happening.