All travellers to the Maldives must fill in a Traveller Health Declaration form form 24 hours before departure to and return from the Maldives. All passengers and airline crew need to complete an Immigration Arrival Card when arriving in the Maldives.
Travelers entering the Maldives as tourists must have a hotel reservation confirmation for the entire stay in a registered tourist facility and will undergo a medical screening. All visitors to Maldives are encouraged to install the contact tracing application ‘Trace Ekee’ upon or before arrival into the country.
Children under the age of 2 are exempt from presenting a COVID-19 test.
Travelers with proof of recovery from the virus within the last 90 days prior to boarding. Proof of a recent positive viral test and a letter from your healthcare provider or a public health official stating that you were cleared to travel.
More info at the CDC site
Travelers who did not get tested, are advised to stay home and self-quarantine for 10 days after travel.