If you are looking to simply jump on a plane right now, it is best to hold your horses. To plan a trip to Mauritius will require a little bit more work than that. This process involves ensuring that your passport has at minimum 6 months from the date of departure. It is also necessitating that you are also able to show that you have roughly USD 600 available with you during your travels.
Aside from the above, the next step would be to get your vaccinations in order. The process requires you to be able to show a WHO card that has a yellow fever vaccination if the country you are visiting has endemic cases of this disease.
Additionally, save a lot of time through customs by ensuring that you are only carrying the permitted amount of tobacco products.