In this paper, main focus is on sustainable tourism, indicators, aspects and development of sustainable tourism on the example of island Silba and its natural and cultural resources. Through the work itself and the analysis, it is described the concept of tourism, sustainability and sustainable tourism. In addition, the readers can be introduce to the concept of carrying capacity, its indicators and the meaning of the concept for sustainability of certain destination. In the third chapter, there is detailed analyses of the island Silba, its history and importance in the past, movements of the population as well as natural and cultural attractions of the island. In the fourth chapter, tourism on Silba was analized from its beginning to the present day, arrivals and overnight stay of tourists. In the last chapter, the indicators crucial for sustainable tourism have been described as part of the fundamental pillars of sustainable tourism, namely environmental, economic and socio-cultural. Furthermore, the last chapter gives an answer to the question in the theme title and what benefits the sustainable development has for development of the island.