diff --git a/docs/source/tour.rst b/docs/source/tour.rst
index 962c720..f041e3f 100644
--- a/docs/source/tour.rst
+++ b/docs/source/tour.rst
@@ -416,6 +416,22 @@ Requests to ``/flask/`` will be handled by Flask. Everything else goes
 through Responder. Both WSGI and ASGI apps are supported — Responder
 wraps WSGI apps in an ASGI adapter automatically.
 
+You can also mount `marimo <https://marimo.io/>`_ notebooks as
+interactive dashboards within your API::
+
+    import marimo
+
+    server = (
+        marimo.create_asgi_app()
+        .with_app(path="", root="./notebooks/dashboard.py")
+        .with_app(path="/analysis", root="./notebooks/analysis.py")
+    )
+
+    api.mount("/notebooks", server.build())
+
+Notebooks are served at ``/notebooks/`` and ``/notebooks/analysis``,
+with full interactivity — reactive cells, widgets, plots, and all.
+
 
 Cookies
 -------
diff --git a/examples/marimo_mount.py b/examples/marimo_mount.py
new file mode 100644
index 0000000..d888a15
--- /dev/null
+++ b/examples/marimo_mount.py
@@ -0,0 +1,31 @@
+"""Mount marimo notebooks inside a Responder API.
+
+Requirements:
+    pip install responder marimo
+
+Usage:
+    python examples/marimo_mount.py
+
+Then visit:
+    http://127.0.0.1:5042/hello       → Responder JSON endpoint
+    http://127.0.0.1:5042/notebooks/  → Interactive marimo notebook
+"""
+
+import marimo
+
+import responder
+
+api = responder.API()
+
+
+@api.route("/hello")
+def hello(req, resp):
+    resp.media = {"message": "Hello from Responder!"}
+
+
+# Mount marimo notebooks at /notebooks
+server = marimo.create_asgi_app().with_app(path="", root="notebooks/hello.py")
+api.mount("/notebooks", server.build())
+
+if __name__ == "__main__":
+    api.run()