diff --git a/host/4/dotnet-build.yml b/host/4/dotnet-build.yml
index 21a1be1e4..10bbef87e 100644
--- a/host/4/dotnet-build.yml
+++ b/host/4/dotnet-build.yml
@@ -77,7 +77,7 @@ jobs:
           dockerImagePath: "dotnet-isolated"
           dockerImageName: "-dotnet-isolated7.0-appservice"
         _isolated-net-7-mariner:
-          dotnetVersion: "dotnet7-isolated"
+          dotnetVersion: "dotnet7-isolated-mariner"
           dockerfilePath: "host/4/mariner/dotnet/dotnet-isolated/"
           dockerImagePath: "dotnet-isolated"
           dockerImageName: "-dotnet-isolated7.0-mariner"
@@ -96,6 +96,11 @@ jobs:
           dockerfilePath: "host/4/bullseye/amd64/out/dotnet/"
           dockerImagePath: "dotnet-isolated"
           dockerImageName: "-dotnet-isolated8.0-appservice"
+        _isolated-net-8-mariner:
+          dotnetVersion: "dotnet8-isolated-mariner"
+          dockerfilePath: "host/4/mariner/dotnet/dotnet-isolated/"
+          dockerImagePath: "dotnet-isolated"
+          dockerImageName: "-dotnet-isolated8.0-mariner"
         _bookwork-net-6:
           dotnetVersion: "dotnet6"
           dockerfilePath: "host/4/bookworm/dotnet/"
@@ -145,4 +150,4 @@ jobs:
         displayName: 'Publish SBOM Artifact'
         inputs:
           targetPath: host/_manifest
-          artifact: SBOM-Functionsv4-dotnet-$(Build.SourceBranchName)
\ No newline at end of file
+          artifact: SBOM-Functionsv4-dotnet-$(Build.SourceBranchName)
diff --git a/host/4/mariner/dotnet/dotnet-isolated/dotnet7-isolated.Dockerfile b/host/4/mariner/dotnet/dotnet-isolated/dotnet7-isolated-mariner.Dockerfile
similarity index 100%
rename from host/4/mariner/dotnet/dotnet-isolated/dotnet7-isolated.Dockerfile
rename to host/4/mariner/dotnet/dotnet-isolated/dotnet7-isolated-mariner.Dockerfile
diff --git a/host/4/mariner/dotnet/dotnet-isolated/dotnet8-isolated-mariner.Dockerfile b/host/4/mariner/dotnet/dotnet-isolated/dotnet8-isolated-mariner.Dockerfile
new file mode 100644
index 000000000..d808701e1
--- /dev/null
+++ b/host/4/mariner/dotnet/dotnet-isolated/dotnet8-isolated-mariner.Dockerfile
@@ -0,0 +1,39 @@
+# Build the runtime from source
+ARG HOST_VERSION=4.29.1
+FROM mcr.microsoft.com/dotnet/sdk:6.0-cbl-mariner2.0 AS sdk-image 
+ARG HOST_VERSION
+
+ENV PublishWithAspNetCoreTargetManifest=false
+
+RUN BUILD_NUMBER=$(echo ${HOST_VERSION} | cut -d'.' -f 3) && \
+    git clone --branch v${HOST_VERSION} https://github.com/Azure/azure-functions-host /src/azure-functions-host && \
+    cd /src/azure-functions-host && \
+    HOST_COMMIT=$(git rev-list -1 HEAD) && \
+    dotnet publish -v q /p:BuildNumber=$BUILD_NUMBER /p:CommitHash=$HOST_COMMIT src/WebJobs.Script.WebHost/WebJobs.Script.WebHost.csproj -c Release --output /azure-functions-host --runtime linux-x64 --self-contained && \
+    mv /azure-functions-host/workers /workers && mkdir /azure-functions-host/workers && \
+    rm -rf /root/.local /root/.nuget /src
+
+# Include ASP.NET Core shared framework from dotnet/aspnet image.
+FROM mcr.microsoft.com/dotnet/aspnet:8.0-cbl-mariner2.0 AS aspnet8
+
+FROM mcr.microsoft.com/dotnet/runtime:8.0-cbl-mariner2.0
+ARG HOST_VERSION
+
+RUN yum install -y dnf
+
+ENV AzureWebJobsScriptRoot=/home/site/wwwroot \
+    HOME=/home \
+    FUNCTIONS_WORKER_RUNTIME=dotnet-isolated \
+    DOTNET_USE_POLLING_FILE_WATCHER=true \
+    HOST_VERSION=${HOST_VERSION} \
+    ASPNETCORE_CONTENTROOT=/azure-functions-host \
+    AzureWebJobsFeatureFlags=EnableWorkerIndexing \
+    ASPNETCORE_URLS=http://+:80
+
+# Fix from https://github.com/GoogleCloudPlatform/google-cloud-dotnet-powerpack/issues/22#issuecomment-729895157
+RUN dnf install -y glibc-devel
+
+COPY --from=sdk-image [ "/azure-functions-host", "/azure-functions-host" ]
+COPY --from=aspnet8 [ "/usr/share/dotnet", "/usr/share/dotnet" ]
+
+CMD [ "/azure-functions-host/Microsoft.Azure.WebJobs.Script.WebHost" ]
\ No newline at end of file
diff --git a/host/4/publish.yml b/host/4/publish.yml
index 485a7bbf9..5f9a004f6 100644
--- a/host/4/publish.yml
+++ b/host/4/publish.yml
@@ -159,6 +159,18 @@ steps:
     displayName: tag and push dotnet8-isolated images
     continueOnError: false
 
+  - bash: |
+      set -e
+      docker pull $SOURCE_REGISTRY/dotnet-isolated:$(PrivateVersion)-dotnet-isolated8.0-mariner
+
+      docker tag $SOURCE_REGISTRY/dotnet-isolated:$(PrivateVersion)-dotnet-isolated8.0-mariner $TARGET_REGISTRY/dotnet-isolated:$(TargetVersion)-dotnet-isolated8.0-mariner
+
+      docker push $TARGET_REGISTRY/dotnet-isolated:$(TargetVersion)-dotnet-isolated8.0-mariner
+
+      docker system prune -a -f
+    displayName: tag and push dotnet8-isolated mariner images
+    continueOnError: false
+
   - bash: |
       set -e
       docker pull $SOURCE_REGISTRY/java:$(PrivateVersion)-java8
diff --git a/host/4/republish.yml b/host/4/republish.yml
index bcfac6277..44545b9cd 100644
--- a/host/4/republish.yml
+++ b/host/4/republish.yml
@@ -135,6 +135,18 @@ steps:
     displayName: tag and push dotnet8-isolated images
     continueOnError: false
 
+ - bash: |
+      set -e
+      docker pull $SOURCE_REGISTRY/dotnet-isolated:$(PrivateVersion)-dotnet-isolated8.0-mariner
+
+      docker tag $SOURCE_REGISTRY/dotnet-isolated:$(PrivateVersion)-dotnet-isolated8.0-mariner $TARGET_REGISTRY/dotnet-isolated:$(TargetVersion)-dotnet-isolated8.0-mariner
+
+      docker push $TARGET_REGISTRY/dotnet-isolated:$(TargetVersion)-dotnet-isolated8.0-mariner
+
+      docker system prune -a -f
+    displayName: tag and push dotnet8-isolated mariner images
+    continueOnError: false
+
   - bash: |
       set -e
       docker pull $SOURCE_REGISTRY/java:$(PrivateVersion)-java8