This paper focused on ascertaining the relationship that exists between positive word of mouth and profitability with emphasis on the banking sector's experience in Port Harcourt. It is a descriptive study that involved survey design hence, the use of 105 copies of questionnaire to gather primary data from top management cadre personnel of the 21 money deposit banks in Port Harcourt; secondary data were generated as well. Spearman correlation coefficient was used to analyze the data generated and to examine the relationship that existed between the studied variables, and were further regressed to ascertain the extent of their relationship using SPSS version 20.0 software. Conclusively, it was revealed that positive word of mouth significantly influenced profitability of banks in Port Harcourt. Consequently, it was recommended that banks in Port Harcourt should constantly strive to pursue customer satisfaction as this is key to achieving positive word of mouth and customer referrals which leads to profit maximization.