From the July issue: Barry Sternlicht’s 1 Hotel South Beach is being marketed for sale, several sources told The Real Deal. The sale of the trophy property at 2341 Collins Avenue could mark a record for the most expensive hotel deal of all time in Miami. If the 426-key hotel sold at $1 million a key, it would beat a record held by the Ritz-Carlton Key Biscayne, which traded hands a year ago for $325