The objectives of this research were to study the impacts, guidelines, and management measures of the tourism in the area of Ko Chang Tai Sub-district, Ko Chang District in Trat Province. This research used mixed methods to analyse quantitative and qualitative. The population was 2,084 eligible voters in Ko Chang Tai Sub-district Administration Organization in Ko Chang District. The sample size was 336 participants selecting from Taro Yamane is formula" The research instrument for the data collection was a questionnaire. The descriptive statistics used in the research were frequency, percentage, mean, standard deviation, t-test, One-way ANOVA, and Multiple Comparison test of Scheffe is method.
