This study aims to analyze the factors that affect the improvement of coastal tourism environment Lakey, Dompu District. Subjects in this study are visitors of Lakey coastal attractions scattered around the coast of Lakey, Dompu Regency. The sample used was 200 respondents selected by Contingent valuation Method method is one of the survey-based methodology to estimate how much the assessment of a person or society to goods, services, and comfort. Analyzer used is multiple linier regression analysis. Researchers examine some aspects of environmental maintenance that are translated into several statement points in a closed questionnaire, the results of the questionnaire will be processed using SPSS to calculate the level of influence tinkat willingness of visitors to pay Willingness To Pay for the maintenance of Lakey beach attractions, Dompu District. The results simultaneously show the variables age, gender, education, frequency of visits, length of visit, and significant revenue to the maintenance of environmental environment pantay Lakey attractions Dompu District. While the results of partial analysis of age, and length of visit, no positive effect on the environmental maintenance of Lakey tourism object Dompu District. In this study the more dominant of these variables is gender. Gender determines the environmental maintenance of Lakey tourism object of Kecamatan Dompu. Because of the gender as the basis for determining how much the interest of the users to improve the maintenance of the Lakey environment of Dompu Regency.