The aim of this study is to determine smart governance, smart tourism, smart mobility, and smart sustainability are used by stakeholders in Lake Toba tourism objects to prepare smart tourism destinations (STD) for the effects of covid-19. This research is in line with the strategic plan of the Medan State University research which focuses on the development of tourism areas in North Sumatra. This study uses a Research and Development type with a basic-based research approach through needs analysis, model confirmation, and evaluation. Tourists that visited Lake Toba attractions in April 2022 were given questionnaires, and data were analyzed using pls-sem. The study shows that smart governance influences smart travel, smart tourism, and smart sustainability. On the other hand, smart mobility does not have a positive effect on smart sustainability, smart tourism has a positive and significant effect on smart sustainability. Overall, further research are needed to use other variables.