Yes, you can drink alcohol in Mauritius. There are many bars and restaurants that serve alcoholic beverages, and you can also buy alcohol at the supermarkets.
However, it's important to note that drinking alcohol is not allowed in public places, such as on the beach or in parks. And if you're caught drinking alcohol in a public place, you may be fined. So if you're planning on drinking alcohol on your Mauritius holiday, make sure to do it in a private place, such as your hotel room or a bar.