The majority of grandparents in the United States are married and do not reside with their grandchild(ren) (U.S. Census Bureau, 2014; Wu, 2018). The life stage of encore adulthood between 55 and 75 years old (Moen, 2016) often overlaps with grandparenthood. Time with grandchildren, and more broadly shared leisure time within couples during encore adulthood is minimally studied, this study provides insight to the process of family leisure among grandparent couples. Guided by life course and critical feminist perspectives, this qualitative inquiry examined the process of family leisure among grandparent couples during the life stage of encore adulthood (Daly, and Beaton, 2005; Moen, 2016). The results of this study, utilizing the method of constructivist grounded theory, present a theory grounded in lived experiences of 10 grandparent couples (Charmaz, 2014; Daly, 2007). The family leisure experiences with grandchildren model is presented with three components: life course dimensions, engaging in family leisure, and relationships within the couple and with grandchildren. / Doctor of Philosophy / The purpose of this study was to understand how grandparent couples between the ages of 55 and 75 years navigate family leisure experiences. Family leisure is defined as time spent together by grandparents and grandchildren in free time or recreational activities. Through in-person interviews, I interviewed each partner in 10 couples. Criteria to participate in the study included: (a) both members of the couple were able and willing to participate in interviews, (b) both members of the couple were in encore adulthood (between 55 and 75 years), (c) couples were in relationships with each other for at least five years, and (d) couples had grandchild(ren). Participants were asked to complete a demographic questionnaire, an in-person interview, and a reflective journal. All participants completed the demographic questionnaire and five individuals submitted a reflective journal. On average, interviews lasted 64 minutes. After interviews were transcribed, they were analyzed at the couple level. Grounded in the experiences of the 10 couples, the findings resulted in a model that illustrates how they performed family leisure with their grandchildren. Grandparent couples indicated that leisure with their grandchildren contributed to the way they thought about and talked about their family relationships. The grandparent couples described how instrumental their children were in allowing access to grandchildren for family leisure. Grandparent couples’ experiences illustrated that family leisure with grandchildren was more meaningful to their couple relationship than other shared recreational activities, yet family leisure required navigating family relationships such as with in-laws and children. Implications of research and future research are provided.