An activist and educator changing lives all across our coasts, no challenge seems too titanic for Deborah Mellen, one of Key Biscaye’s most heartful philanthropists.

In one of the country’s most expensive municipalities, to say real estate is at a premium is an understatement. Interested in knowing more about the professionals who make living in Miami a reality, we’ve gathered some of Miami’s most successful realtors and found out just what it is that makes these titans tick.