Sergey Brin has ties to a $51 million mansion that just sold in Miami

A $51 million property in Miami has sold to an entity with ties to Google cofounder Sergey Brin.

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• A home on Miami's Allison Island sold for $51 million on Tuesday.
• The purchaser has ties to Google cofounder Sergey Brin.
• Tech billionaires have been flocking to Miami as California weighs a wealth tax.

The latest mega-sale in Miami — a $51 million waterfront mansion — had been completed, and the deal has ties to Google cofounder Sergey Brin.