Mt. Sinai Baptist Church, 419 Center St., Port Lavaca, will celebrate its 142 church anniversary. A pre anniversary service will be at 5 p.m. Saturday. The guest church is Bethlehem Baptist Church and Pastor A.L. Prince. The anniversary celebration will be at 4 p.m. Sunday. The guest church is Greater Love Baptist Church of San Antonio and Pastor L.J. Gillespie. Contact the church at 361-552-2094 or 361-571-6203.