Christian & Missionary Alliance Church

First Presbyterian Church is a Presbyterian church located in Groton, South Dakota, committed to faithful preaching, thoughtful worship, and active service in the community.

Saint John's Lutheran Church is a Lutheran church in Groton, South Dakota, proclaiming the Gospel of grace through Word and Sacrament. The congregation gathers for worship, education, and service in the Lutheran tradition.

United Methodist Church is a Methodist congregation serving Groton, South Dakota. Rooted in the Wesleyan tradition of personal holiness and social justice, this church offers worship, fellowship, and community outreach.