<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019cb5d0-1c2f-7211-81db-d6898600aad2,g:d7074f06-f042-4f5a-b148-5408133a4a59-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.southside.com/role/DocumentandEntityInformationDocument" xlink:type="simple" xlink:href="sbsi-20260430.xsd#DocumentandEntityInformationDocument"/>
  <link:presentationLink xlink:role="http://www.southside.com/role/DocumentandEntityInformationDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019cb5d0-1c2f-7660-93e8-9724f6bd3927" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019cb5d0-1c2f-713f-a21c-d314dfa2c09d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019cb5d0-1c2f-7660-93e8-9724f6bd3927" xlink:to="loc_dei_DocumentInformationTable_019cb5d0-1c2f-713f-a21c-d314dfa2c09d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsExchangeAxis_019cb5d0-1c2f-74a1-9ac1-7d68f5175a72" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityListingsExchangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019cb5d0-1c2f-713f-a21c-d314dfa2c09d" xlink:to="loc_dei_EntityListingsExchangeAxis_019cb5d0-1c2f-74a1-9ac1-7d68f5175a72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ExchangeDomain_019cb5d0-1c2f-7ab5-bbbb-981e3293fe7c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_ExchangeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsExchangeAxis_019cb5d0-1c2f-74a1-9ac1-7d68f5175a72" xlink:to="loc_dei_ExchangeDomain_019cb5d0-1c2f-7ab5-bbbb-981e3293fe7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_exch_XNYS_019cb5d0-1c2f-7d31-b485-d098780a351b" xlink:href="https://xbrl.sec.gov/exch/2025/exch-2025.xsd#exch_XNYS"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_ExchangeDomain_019cb5d0-1c2f-7ab5-bbbb-981e3293fe7c" xlink:to="loc_exch_XNYS_019cb5d0-1c2f-7d31-b485-d098780a351b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_sbsi_NYSETexasMember_019cb5d0-1c2f-784e-b7ed-1460bc12896e" xlink:href="sbsi-20260430.xsd#sbsi_NYSETexasMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_ExchangeDomain_019cb5d0-1c2f-7ab5-bbbb-981e3293fe7c" xlink:to="loc_sbsi_NYSETexasMember_019cb5d0-1c2f-784e-b7ed-1460bc12896e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019cb5d0-1c2f-713f-a21c-d314dfa2c09d" xlink:to="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019cb5d0-1c2f-7ac5-834f-527028191586" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityCentralIndexKey_019cb5d0-1c2f-7ac5-834f-527028191586" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019cb5d0-1c2f-7d10-b3bb-d906dac0e7c6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_DocumentType_019cb5d0-1c2f-7d10-b3bb-d906dac0e7c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019cb5d0-1c2f-7e16-83f5-58c40172d731" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_DocumentPeriodEndDate_019cb5d0-1c2f-7e16-83f5-58c40172d731" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019cb5d0-1c2f-707c-a8b5-c07584cc13db" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityRegistrantName_019cb5d0-1c2f-707c-a8b5-c07584cc13db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019cb5d0-1c2f-7d7f-b49a-7db7968dcb97" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityEmergingGrowthCompany_019cb5d0-1c2f-7d7f-b49a-7db7968dcb97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019cb5d0-1c2f-7f93-a699-d8d017a3a8e3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019cb5d0-1c2f-7f93-a699-d8d017a3a8e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019cb5d0-1c2f-7680-8796-727a80e21828" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityFileNumber_019cb5d0-1c2f-7680-8796-727a80e21828" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019cb5d0-1c2f-7a6c-890a-0904f9caa5ce" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityTaxIdentificationNumber_019cb5d0-1c2f-7a6c-890a-0904f9caa5ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019cb5d0-1c2f-72a3-8358-8a561c00a23e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityAddressAddressLine1_019cb5d0-1c2f-72a3-8358-8a561c00a23e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019cb5d0-1c2f-77b9-8837-9efe749e3a4a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityAddressCityOrTown_019cb5d0-1c2f-77b9-8837-9efe749e3a4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019cb5d0-1c2f-75ad-bedc-81de8630b0cd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityAddressStateOrProvince_019cb5d0-1c2f-75ad-bedc-81de8630b0cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019cb5d0-1c2f-74c0-a8fd-699bbd8f41a6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_EntityAddressPostalZipCode_019cb5d0-1c2f-74c0-a8fd-699bbd8f41a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019cb5d0-1c2f-7af4-b6e2-77b389a4c0a0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_CityAreaCode_019cb5d0-1c2f-7af4-b6e2-77b389a4c0a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019cb5d0-1c2f-78ea-8d1d-1b774ee94829" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_LocalPhoneNumber_019cb5d0-1c2f-78ea-8d1d-1b774ee94829" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019cb5d0-1c2f-7513-8c7f-863be485c9a2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_WrittenCommunications_019cb5d0-1c2f-7513-8c7f-863be485c9a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019cb5d0-1c2f-7bb4-8252-fc8042d59d38" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_SolicitingMaterial_019cb5d0-1c2f-7bb4-8252-fc8042d59d38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019cb5d0-1c2f-7987-9e20-d7f05743c1ad" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_PreCommencementTenderOffer_019cb5d0-1c2f-7987-9e20-d7f05743c1ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019cb5d0-1c2f-7083-98dc-d8506ff7ae92" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019cb5d0-1c2f-7083-98dc-d8506ff7ae92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019cb5d0-1c2f-7cec-8d9f-e9f5afceb1a8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_Security12bTitle_019cb5d0-1c2f-7cec-8d9f-e9f5afceb1a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019cb5d0-1c2f-7afa-bd8e-7f2362d3c881" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_TradingSymbol_019cb5d0-1c2f-7afa-bd8e-7f2362d3c881" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019cb5d0-1c2f-7c2a-8db0-3ff7c4ecf33b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_AmendmentFlag_019cb5d0-1c2f-7c2a-8db0-3ff7c4ecf33b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019cb5d0-1c2f-7176-a2d0-8cbb2c818f82" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019cb5d0-1c2f-72f8-a096-544662e21a06" xlink:to="loc_dei_SecurityExchangeName_019cb5d0-1c2f-7176-a2d0-8cbb2c818f82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
