Like father, like son: After selling residential property on Florida's east coast for 4.5 years, Lee DeLieto Jr., 40, has joined his father Michael Saunders & Co. commercial Realtor Lee DeLieto.Sun's rise in Bradenton: Suncoast Bank is expanding to Manatee County. Michael Saunders moves into Fort Myers: Michael Saunders & Co. of Sarasota, the upscale-residential real estate broker, is testing up-and-coming Fort Myers.Pittsburgh bank expands here: PNC Bank has brought in another veteran banker to continue an expansion of its SBA loan program along the Gulf Coast.Hoffman pegs Babcock Ranch deal at $700 million: Al Hoffman Jr., chairman of the board of Bonita Springs-based WCI Communities, says West Palm Beach developer Kitson & Partners and Morgan Stanley will pay $700 million to buy Babcock Florida Co., owner of the 91,000-acre ranch that straddles Lee and Charlotte counties.Rose to head Coldwell Banker operations: Coldwell Banker last month realigned the structure of its commercial division, putting Elliot Rose in charge of the statewide commercial operations.