Meta founder Mark Zuckerberg and his wife, Priscilla Chan, have purchased a mansion valued at $170 million on a private island in Miami's Biscayne Bay. Bloomberg posted on X, highlighting the couple's acquisition on the exclusive 'billionaire bunker' island, known for its high-profile residents. This purchase adds to Zuckerberg's extensive real estate portfolio, which includes properties in California and Hawaii. The island is renowned for its privacy and luxury, attracting some of the world's wealthiest individuals.