The change, which was made on Saturday (12 March), means fully jabbed visitors do not need to present a negative PCR test taken within 72 hours before departure.
However, they will still be required to take a Covid test on arrival.
In a statement, the FCDO said: "From 12 March 2022, travellers do not need to present a negative PCR test before flying to Mauritius.
"Health or travel insurance covering Covid-19 related expenses is mandatory. You will be asked to present proof of your health or travel insurance before boarding and on arrival. Covid-19 testing will be required on arrival."