Miami’s Mega-Residences in the Sky: Why Ultra-Luxury Buyers Are Combining Condo Units

Across South Florida’s most coveted towers, ultra-luxury buyers are quietly assembling adjacent residences into single, estate-scale homes in the sky. From merged penthouses in Miami Beach to multi-level trophy offerings marketed in Bal Harbour, the move is less about novelty than about solving a practical problem: true “large-format” inventory in prime locations is finite. What follows is a buyer-oriented look at why unit combinations are accelerating, how developers are planning for them, and what to underwrite before you decide to stitch two (or more) homes into one.