Tech investor Keith Rabois paid a record $28.9 million for a waterfront mansion in Miami Beach, as the wave of Silicon Valley buyers intensifies in South Florida, The Real Deal has learned. Rabois, a member of the “PayPal Mafia,” who has invested in companies such as PayPal, LinkedIn, Square and Yelp, has been vocal on Twitter about his move from California to Miami. He acquired the roughly 15,000-square-foot Venetian Islands home on a 0.6-acre lot The post Tech investor Keith Rabois pays record $29M for Miami Beach mansion appeared first on The Real Deal New York.