The ranking highlights places including Beaufort, St. Augustine, Naples and Ocean Springs, citing mild winters, healthcare access, walkability and lower taxes.
It says Florida has no state income tax, while Mississippi, Georgia and North Carolina offer exemptions or lower taxes on Social Security and other retirement income.
Mountain, coastal and historic towns across the South were included, with factors ranging from hospitals and trails to cultural venues, beaches and lower property taxes than national averages.
Beyond sunny weather, how do these retirement towns protect seniors from growing climate and healthcare system risks?
Is the 'no income tax' promise a financial illusion once hidden sales, property, and insurance costs are fully revealed?