 Sarnia has two large malls : Lambton Mall with 72 stores , and the <unk> 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 <unk> of Sarnia 's retail business . <unk> can choose from eight branded and many family @-@ owned hotels and <unk> . 
