That’s one of the reasons I’ve looked at going to Costa Rica for a while - one of the blue zones is there 
It’s very friendly for Digital Nomads where you can get a two year ‘Rentista’ fairly easily so long as you earn a specified amount per month from outside of the country.
There is some debate about the reasons behind longevity of people in the blue zones, but I think it’s interesting and worth exploring nonetheless.
You and me both 