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Monte Carlo opened in 1867 as a source of revenue for the state. Interesting fact: Citizens and residents of Monaco are not allowed to gamble in the casino as the principality’s leaders don't want the locals to lose their money. You must be 18 or older with a valid passport to enter the casino.
The dress code varies by the time of day!
Morning dress code: Smart casual while flip flops, tank tops, shorts and sportswear are prohibited.
Afternoon dress code: Business casual.
Evening, high stakes gambling and formal events: Formal attire.