Kalypso Media announced the return of El Presidente with Tropico 6. A little teaser trailer announcement came alongside a longer announcement trailer that has 30 seconds of extra footage. Tropico 6 is in development by Limbic Entertainment and should be released in 2018 for PC, OS X, Linux, XB1, and PS4.
Features of Tropico 6

I'm going to make a bold move here and only embed the extended announcement trailer. I'm sure you won't mind.