Calvary Lutheran Church is an Evangelical Lutheran Christian congregation, located at the intersection of Townline and Blydenburgh roads in Hauppauge. The church hosts a wide range of programs for children, youth, women, men and seniors. Sunday school religious education is provided on Sunday mornings for children age two through fifth grade. Older youth can get involved in Crossfire, a youth ministry program that focuses on community and volunteerism, getting involved with barbecues, working a local farm for a food pantry and more.