The study of the impact of infrastructure on the development of the regional market of tourist services is an urgent issue of modern economic research since the effectiveness of tourism development, the level of use of the natural and cultural-historical potential of the region is largely determined by the capabilities of modern tourist infrastructure. The purpose of the paper is to assess the existing infrastructure of the tourist services market in the Transcarpathian region, identify problems in the infrastructure support of tourism, and determine the level of influence of infrastructure on the development of tourism in the region. General scientific research methods allowed achieving the purpose of the paper, including analysis, comparison, and generalisation. The paper considers the essence and factors of influence of the regional tourist services market infrastructure on its development. The study and assessment of the state of tourist infrastructure development were carried out based on the generalisation of statistical data and calculation of individual indicators that take into account the level of infrastructure elements’ development: accommodation infrastructure, public catering, leisure and entertainment, transport, municipal, environmental, border infrastructure, health and safety infrastructure. A comparative analysis of indicators of the level of infrastructure development of the regional tourist services market with the average indicators of the regions of Ukraine is carried out and the rank (place) among similar values of indicators of the regions of Ukraine is determined. Based on the generalisation of the obtained data, a number of interrelated and interdependent problems of infrastructure development of the tourist services market in the Transcarpathian region are identified. Practical significance consists in identifying the main problems of infrastructure support for the tourist services market for their priority solution.