Mark Zuckerberg bought a castle in Ireland to add to his real estate collection. Here's a look at the rest of his portfolio.

Meta CEO Mark Zuckerberg has purchased over 10 properties. Ed Mulholland/Zuffa LLC Mark Zuckerberg has been quietly snapping up massive chunks of real estate for years. The tech billionaire has bought hundreds of acres of Hawaiian land. He also recently bought a castle in Ireland. Mark Zuckerberg has amassed a real estate portfolio that has easily exceeded $100 million, but, until recently, he kept it within the confines of the US. A spokesperson for Zuckerberg confirmed to Business Insider…