Information support in tourism industry is a complex system, which includes set of elements and implementation mechanism. In tourism, information traffic is carried out at all stages of work with a tourist product and has a particular importance in the process of a tourist product promotion. Nowadays, attraction of tourists to destination is based on the promotion of its attractiveness using modern tools of communication with the consumer. It is important not only to create conditions for tourists and a quality tourist product, but also to bring this information to the target consumer and form a desire to come and buy a tourist product. Today, the emphasis of product promotion and communication with the consumer is transferred to the Internet with the wide application of mobile technologies. Therefore, the issues of tourist destinations' effective Internet promotion and information support in tourism are relevant today and are the most important factor in increasing the competitiveness of Russian destinations in the domestic and inbound tourism market. This problem is in the trend of the digital economy development and new "smart" technologies that increase the competitiveness of the Russian economy as a whole. The article examines domestic and foreign approaches to information support of tourism activities and the tools used. The analysis of sites of leading foreign and domestic tourist destinations was conducted with the purpose of revealing the dependence between the system of Internet promotion and tourist flow to the region, including the arrivals of foreign tourists and requirements to the destination website. Based on the survey of experts carried out by the authors in 2017, an assessment was made of the current state of the promotion system for the resorts of Krasnodar Region and the main trends in information support for tourist activities. The dependence between the effectiveness of Internet promotion and the competitiveness of the tourist destination has been revealed. The model of the Internet promotion of tourist destinations on the example of the Sochi resort as an important element of information support in tourism has been proposed.