Where do Jamie and Andrew settle in the conclusion of the novel, All That’s Left in the World?

Islamorada, Florida is where Jamie and Andrew at the conclusion of the novel. A woman named Amy explains that they have cut off access to the community to control who comes and goes. They have a lot of the conveniences of modern life in spite of the pandemic. Jamie is treated in a hospital and released with a supply of antibiotics. They see desalination houses where sea water is treated to supply the homes with drinking water. They also have set up a combination of wind and solar power, meaning the appliances work inside the homes.