You need a certified negative COVID test that is less that 10 days old then apply for the health
card on line.. There has been a recent glitch in the system where people with negative tests were denied but it looks like that has now been resolved.
card submittal here: https://travel.gov.bs/
Read here for some recent issues: Problems with Bahamas Travel Health VISA ? - Abaco Forum
Enjoy if you get over. We usually go for three months every spring, so will miss out this year.