The study investigated the effect of cultural tourism on SustainableDevelopment Goals (SDGs) in Ubulor Unor, Delta State, Nigeria. The descriptivesurvey research elicited primary data from 150 residents of Ubulor Unorcommunity with the use of a well-structured questionnaire containing 16 scaleitems, with four demographic items. The result of the inferential statisticalanalysis conducted with the aid of SPSS revealed that cultural festival hadpositive and significant effect on the two measures of sustainable developmentgoals: SME development and residents' quality of life. The study concluded thatcultural tourism has the capability to assist developing countries like Nigeria toachieve some of the SDGs. Entrepreneurs and their managers of tourism inNigeria are expected to collaborate and promote the marketing of culturaltourism in Nigeria.