Based on the OECD research from 2020, tourism is one of the biggest and fast-growing sectors of the world economy. Tourism plays a key role in job creation as well as in added value creation. In 2018, the revenue from tourism in Slovakia totaled EUR 2.7 billion, which is EUR 4.7% more than the year before, where the mentioned refers to 3% GDP and 27.6% of the services-related exports. The authors drew their attention to identifying some marketing communication tools’ impact on the castle museum attendance in Slovakia and analyzed the degree and dynamics of the communication structure implementation in the context of cultural heritage. In general, 5840 cultural tourists were interviewed during three restricted cycles: 2006–2009, 2011–2014, and 2016–2019; the interviewing was held through the questionnaires only during the summer seasons. The study herein shows that the quality perception of the carried out offline marketing communication activities and the visit intention itself have significant influence on the interest of customers in repeated visits to castle museums.