First Congregational United Church of Christ (UCC) of Chelsea is a Christian religious institution which provides worship services and ministry engagement for the Christian Chelsea community. The church offers a women's prayer ministry, where women engage in craft projects and hold fellowship events, a men's group which organizes social events and discusses current church activities and needs, a music ministry and several church committees. The church also arranges Mission trips to cities across the United States, engaging in relief efforts for areas ravaged by flood damage and other natural disasters.