Using a regional input-output(I-O) model, this study estimated the economic impacts of Kangwon Land casino resort on Gangwon province and other regions in Korea. Tourism sectors were derived from transactions tables, which were developed by the Bank of Korea in 2009. Results indicated that in 2009, Kangwon Land casino resort generated 2,102 billion Won of output impact throughout direct and indirect effects, representing 77.5% for intra-region and 22.5% for other regions. Results also showed that the casino resort generated 342 billion Won of income impact(76.0% for intra-region and 24.0% for other regions), 1,111 billion Won of value-added impact(81.8% for intra-region and 18.2% for other regions), and 171 billion Won of tax impact(83.8% for intra-region and 16.2% for other regions). Finally, results indicated that both 21,118 non-paid and full-time jobs were also created, accounting for 80.4% for intra-region and 19.6% for other regions in Korea.