City National Bank is expanding into Sarasota with the opening of a residential lending office here. The bank, which is headquartered in Miami, has hired Joe Adamaitis to spearhead the bank's efforts in Sarasota. The new office is the first of several planned around the state, with new locations set for Tampa, Orlando and Naples, as well. The bank has more than $8 billion in assets. Adamaitis has more than 37 years of residential loan and banking experience and most recently served as vice president and regional manager for Sabadell United Bank in Sarasota.