Shield: From the Provincial Seal of Batangas where the town is located.
Map: Geographical territory of Municipality.
1861: Year the town then-called Balibago and was separated from the Municipality of Taal however, it was re-integrated to Taal in 1904 as its agricultural economy did not warrant self-sufficiency. San Luis became an independent town again in 1918.
Boat, Fish, Cattle Head, Coconut Trees & Mangoes: Major sources of livelihood in the town.
Twenty Six Stars: Barangays comprising the Municipality.