MIAMI BEACH, Fla.--(BUSINESS WIRE)--Zilbert International Realty, Miami’s premiere luxury real estate brokerage, has just listed one of South Beach’s most exclusive penthouses. Located at the luxurious Continuum South Beach, a private and gated community in Miami Beach, Florida, the penthouse offers more than 11,000 square feet of indoor space, plus more than 6,000 square feet of outdoor space. Listed at $50 million, this penthouse, known as Penthouse 2, is currently the highest and largest pen