When Coldwell Banker’s Tim Elmes stages a $9 million mansion for sale in Fort Lauderdale’s Rio Vista neighborhood, he’ll break out hors d’oeuvres, luxury yachts and Mercedes-Benzes.

Most of his guests will be in town for this weekend’s Fort Lauderdale International Boat Show, and Elmes figures hobnobbing with the yacht-buying crowd is the best way to cross-market to millionaires.