Zihuatanejo or Ixtapa-Zihuatanejo, is the fourth-largest city in the Mexican state of Guerrero.
It is the primary setting for Season 4 of the series.
After avoiding the nuclear meltdowns in the United States, the group makes plans to head to Mexico in "M.U.B.A.R.". They make landfall in Zihuatanejo in "Skeleton Crew", where they soon part ways with Glenn and Pamela, along with Jeremy, who leave to return to the United States, in search of Glenn's kids.
In "Wisconsin", Carol worries about missing precious life moments with the group, as they are living all in separate locations. They agree to live elsewhere and settle into a mansion in "La Abuela", the former home of an infamous cartel leader, La Abuela. In 2017, flashbacks show how La Abuela's mansion was raided by rival cartel gangs and the police. A bomb made by Hector, one of La Abuela's henchmen, is also planted in a Rubik's cube. Karl Cowperthwaite eventually solves the cube, which triggers the bomb and kills him in "Hamilton/Berg".
In "Barbara Ann", Todd investigates a mysterious dead body in the wall of the mansion and discovers several more and piles of guns, grenades, bricks of cocaine and millions of dollars in several currencies. Todd alerts the group and Melissa makes the discovery that the grenades are in working condition. They decide to search the rest of the mansion and discover more hidden dangers including a loaded bomb in a piano that explodes. The group decides to head to Cancun in "Cancun, Baby!" to avoid the dangers, before settling in Tapachula.