Inside America’s most guarded enclave: A rare look at Florida’s ‘no budget’ billionaire bunker

For a South Florida native, the silence and serenity are what hits you first.

Just a stone's throw from the relentless horn-honking of Surfside and the designer-clad crowds of Bal Harbour Shops, Indian Creek Village exists in a vacuum of enforced peace. There are no sirens, tourists, and certainly no uninvited guests — only the whistle of the Atlantic wind and the rhythmic clap of waves against private piers.

Behind massive entry gates and dense tropical foliage lies a 300-acre fiscal...