The current approach to “aging well” emphasizes the importance of active leisure participation in late adulthood. This relates to the view that leisure activities enable older adults to stay physically, mentally, and socially active, and they thereby contribute to wellbeing. In spring 2020, leisure activity engagement was significantly hampered by the COVID-19 pandemic. This study explores leisure-related experiences and adaptation strategies among Finnish older adults during the period of strict physical distancing. The data comprises letters (N = 77) written by Finnish people (aged 70–93) that were analyzed using content analysis. The study suggests that the reorganization of leisure was particularly influenced by the social significance of leisure activities, the age identities of the participants, and the prevailing ideals of active aging. The paper introduces three strategies of leisure adjustment: building new routines, maintaining activeness, and enjoying slow leisure. The article highlights the importance of investing in older adults’ leisure participation in the aftercare of the pandemic.