Travelers must present a negative Covid-19 PCR test result issued within 5 days prior to arrival and apply for a Bahamas Travel Health Visa. Travelers who are staying longer than 5 days will be required to take a Rapid Antigen Test.
Children under the age of 10 and airline pilots and crew who remain overnight in The Bahamas are exempt from presenting a COVID-19 PCR-RT test result.
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.