“The mainlanders who have relocated are not quite Forbes-list billionaires, who have access to more complex tax strategies than leaving town; they belong to the middle class of the ultra-rich. They are new-money people who might not have their congressman’s cell-phone number back home but who wield influence here in Puerto Rico. ‘Back in the States, I’m just one of 300 million voters,’ James Slazas, a hedge-fund quant, told me at the party. ‘Here I’ve already met a lot of the key players.'” GQ: How Puerto Rico Became the Newest Tax Haven for the Super Rich. (It’s not uncommon for wealthy people to find an island-based safe haven for their money. But they rarely move there with it.)