New Yorkers with second homes in the ritzy Hamptons are being urged to save the Big Apple from Democratic socialist Zohran Mamdani — by switching their voter registration from Long Island to the five boroughs, insiders told The Post.

Andrew Cuomo’s surrogates are hoping to convince well-heeled moderates they can impact the mayoral race, where Mamdani is the frontrunner.

“I’ve been trying to get this message out since the primary,” said Steven M. Cohen, chairman of Fix the City, a pro-Cuomo political action committee, who said he has spoken to dozens of people — “some very high profile” — who claimed they’re “definitely changing their registration. 3

“You don’t win elections because you did one thing right, but by doing one hundred things right, a thousand things right,” Cohen insi

See Full Page