South Florida's real estate market is experiencing a surge in ultra-luxury listings, with homes priced over $100 million becoming common. This trend is driven by high-net-worth buyers attracted by Florida's tax benefits, desirable lifestyle, and limited inventory. The influx of international investors is also significant. The boom is impacting the local economy by creating jobs and raising property values, but it raises concerns about affordability and gentrification. Experts predict continued demand, though economic factors may affect the market's longevity.