The main objective of the study was to research and to emphasize the importance of interior design for design The Intrara Wongamart Beach Condominium Pattaya The experiment were mainly into the study of building, sever’s behaviour and tourist’s behaviour, natural resources and Pattaya arts and culture troughtout Thailand tourism promotion policy of Pattaya in order to prepare for tourist. Collected data, solved the problem and decoration design so that suitable for operation and beautification