A Fortune 500 CEO has listed a combined penthouse unit in Bal Harbour, Florida for $20 million. The seller assembled the property by purchasing two separate condos and merging them into a single residence marketed as "an estate in the sky."

The double-sized unit represents a rare offering in Miami's ultra-luxury market. Combined residences at this price point remain scarce, particularly in Bal Harbour, where oceanfront prestige commands premium valuations. The strategy of purchasing adjoining units and consolidating them into sprawling penthouses appeals to high-net-worth buyers seeking customized layouts and expansive square footage that single units rarely provide.

For ultra-wealthy buyers, this approach addresses a persistent problem. Standard luxury condos, even at the highest price brackets, often cannot match the space or personalization of custom estates. By acquiring two properties, the original owner created a bespoke residence without the complications of ground-level ownership or the property tax considerations of a traditional mansion.

Bal Harbour's luxury condo market attracts international investors and domestic titans seeking Miami's prestigious address without South Beach crowds. The area's exclusive shops, restaurants, and resort amenities create an insular, upscale environment. Recent years have seen trophy listings in the $15 million to $30 million range, though sales at these levels move slowly. Buyers at this tier negotiate heavily on price and often require months or years of market exposure.

For sellers, listing combined units at $20 million requires finding a narrow buyer pool. The property must appeal to someone with both the liquidity and the specific need for doubled square footage in Bal Harbour. Most Fortune 500 executives and ultra-high-net-worth individuals in this bracket either have existing residences or preferences for specific layouts already established.

Agents marketing trophy properties like this rely on exclusivity positioning rather than broad appeal. The "estate