 Sarnia has two large malls : Lambton Mall with 72 stores , and the Bayside Centre with 9 stores , and several government and medical services . These large malls combine with several smaller shopping centres , discount stores , dollar stores , convenience stores , and a collection of antique and specialty stores to form the crux of Sarnia 's retail business . Travellers can choose from eight branded and many family @-@ owned hotels and motels . 
