According to an insider,GTA 6will featurepart of Cubaas aplayable areaalongsideVice City.
Here is all we know about the island in the game.
GTA 6 To Include Cuba As A Location?

This could mean it is a one-off heist set in an island state of the Caribbean.
However, he added that the story would have only two main playable characters.
McVicker said, We already know how GTA 6 is gonna end.

Spoilers, Bonnie and Clyde back in like the 30s, died in a blaze of gunfire.
Its not three playable characters, its two playable characters.
It takes place with a time jump.

It takes place in the Miami, Florida, area and then also part of Cuba.
Its about the drug trade.
Its about bank robbing.

Itll be out in 2024.