The city of St. Martinville is the parish seat of St. Martin Parish, in the U.S. state of Louisiana, located on Bayou Teche, sixteen miles south of Breaux Bridge, eighteen miles southeast of Lafayette, and nine miles north of New Iberia. St. Martinville apartments for rent comparison page shows most up to date rent information on St. Martinville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.