Do I need vaccination or medicine against diseases like malaria and hepatitis?

Normally it is not needed. But for more information you can take a look at the following site: ( http://www.travelhealth.be).

Do I have to bring my own towels and bedsheets?

No, bedsheets and towels are provided. But if you want large towels for lying on the beach, you will need to bring them, or you can buy them anywhere.

Which power plugs are used in your apartment?

We are equipped with 3 pins plugs (220V), so far 2 pins devices adaptors are available or you can bring your own adaptors.

Which monetary unit is used in Mauritius? Where can I get it?

The monetary unit is the Mauritian Roupee (MR of Rs). It's best to change cash money in Mauritius. Changing rates can be checked at the Mauritius Commercial Bank.
In most towns you will also find ATM’s and banks where credit cards are accepted.