Bay Branch is a church located at 1402 W Smith St, Timmonsville, SC 29161.

In 1906 Bay Branch was organized. J.B. Oliver was the first pastor of Bay Branch and the church became a member of the South Caroline Conference on October 26, 1906. The first church building was built in 1907 where the current church is today. Between 1921 – 1925, the church building was moved to a nearby farm and the current building was built. in the late ’50s and early ’60s, the building was bricked and classrooms were added. The sanctuary was remodeled in the ’70s and the fellowship hall was completed in 1984. In 1992, the steeple was placed “In Memory of Addie Prosser”. The stained glass behind the baptistry was placed in 1998 “In Memory of Elise Gibbs” by her family.