St. John the Baptist Church in Clontarf serves as a central spiritual and community hub for the local area. The parish provides liturgical services, sacraments, and pastoral care, including a dedicated ministry to the housebound. It fosters community life through its Parish Centre, supports local education, and engages in charitable activities in partnership with organizations like Crosscare and Trocaire. The parish is committed to child safeguarding and maintaining a welcoming environment for all parishioners.