Solé Mia Massive 184-acre Mini-City at 15055 Biscayne Blvd. Begins Leasing One of the most ambitious and often-delayed real estate developments in recent Miami-Dade County history is finally open for business. Solé Mia, the massive 184-acre mini-city headquartered at 15055 Biscayne Blvd., begins leasing its first two apartment buildings on Jan. 14. The twin 17-story towers, known as The Shoreline, will...