Introduction:The COVID-19 pandemic has negatively impacted individuals not only physically, but also mentally, socially and economically. These difficulties that occur in the lives of individuals can also have negative effects on family and marital life. Method: This study was conducted using a phenomenological qualitative research method to evaluate the impact of social isolation experienced with COVID-19 on family and marital life. The data were collected using the Introductory Features Information Form and Semi-Structured Open Ended In-depth Individual Interview Question Form. Research data were collected from 15 married individuals. The qualitative data were evaluated using method of thematic analysis. Results: The mean age of participants were 37.00±7.88 years, mean duration of marriage of participants were 11.15±8.97 years. As a result of the analysis of qualitative data, two categories were obtained, namely, "The Negative Effects of the COVID-19 Pandemic on Family and Marital Life" and "The Positive Effects of the COVID-19 Pandemic on Family and Marital Life". Six themes and 10 sub-themes were determined under these categories. Conclusion: As a result of the research, the themes of mental effects, effects on social and daily life, effects on children and effects on family and marital life were determined under the category of negative effects of the COVID-19 pandemic on family and marital life. Under the category of positive effects on family and marital life, the themes of changing life priorities and making sense of life and increasing sharing between spouses in marital life were obtained. For this reason, health professionals working with families, should determine the information needs and difficulties experienced of families and spouses in this process. After identifying the problems experienced, developing the coping skills of family members and effective communication skills with in the family and between spouses will minimize the negative effects of the COVID-19 pandemic on family and marital life. In this context, planning and implementing necessary protective and reinforcing interventions for families will contribute to increase satisfaction in family and marital life.