Belleair is a town in Pinellas County, Florida, United States. As of the 2010 census, it had a population of 3,869. The Town of Belleair Florida is an ICMA recognized Council-Manager form of government. The current Town Manager is Micah Maxwell who was hired in August 2006. Current Mayor and Commissioners are listed below: According to the United States Census Bureau, the town has a total area of 2.8square miles (7.3square kilometers). 1.8square miles (4.7square kilometers) of it is land and 1.0square mile (2.6square kilometers) of it (36.30percent) is water.