The fundraiser at the home of Carlyn and Lothar Mayer should raise about $250,000, a person familiar with the event said. Rubio also visited Palm Beach County last month for a fundraiser at the Palm Beach home of Florida Crystals VP Pepe Fanjul Jr. The Mayers hosted a fundraiser for John McCain during his 2008 presidential bid and have been active donors to pro-Israel candidates from both parties.