Alexander Island is an island in the Houston Ship Channel in Harris County, Texas. It is located near Baytown and La Porte and is viewable on the Fred Hartman Bridge. In September 2013, the U.S. Army Corps of Engineers Galveston District awarded a contract in the amount $1,369,515.74 to Integris Projects for dewatering of the Alexander Island Placement Area relating to the Houston Ship Channel in Harris County.