The city of Port Lavaca is located on Lavaca Bay,in Calhoun County, Texas.It is a part of the Victoria, Texas Metropolitan Statistical Area. Port Lavaca holds the state record of the highest wind speed ever reached during a Hurricane. Calhoun County Airport, a general aviation airport, is located in unincorporated Calhoun County northwest of Port Lavaca. Port Lavaca is served well by the Calhoun County Independent School District.