diff --git a/examples/03-ui-components/13-custom-ui/MUISuggestionMenu.tsx b/examples/03-ui-components/13-custom-ui/MUISuggestionMenu.tsx
index d677bfe15..dc1e43dbb 100644
--- a/examples/03-ui-components/13-custom-ui/MUISuggestionMenu.tsx
+++ b/examples/03-ui-components/13-custom-ui/MUISuggestionMenu.tsx
@@ -42,12 +42,26 @@ function MUISuggestionMenuItem(
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(
-        `.MuiPaper-root:has([aria-label="suggestion-menu"])`
-      )!
-    );
+    const overflow = elementOverflow(itemRef.current, () => {
+      if (!itemRef.current) {
+        return;
+      }
+
+      let container: HTMLElement = itemRef.current;
+
+      while (
+        !container.classList.contains("MuiPaper-root") &&
+        container.parentElement
+      ) {
+        container = container.parentElement;
+      }
+
+      if (!container.classList.contains("MuiPaper-root")) {
+        return;
+      }
+
+      return container;
+    });
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
@@ -140,7 +154,7 @@ export function MUISuggestionMenu(
     <Paper
       sx={{
         height: "fit-content",
-        maxHeight: "100%",
+        maxHeight: "inherit",
         maxWidth: 360,
         overflow: "auto",
       }}>
diff --git a/packages/ariakit/src/style.css b/packages/ariakit/src/style.css
index 213f4d5cd..881ba43fe 100644
--- a/packages/ariakit/src/style.css
+++ b/packages/ariakit/src/style.css
@@ -59,7 +59,8 @@
 
 .bn-ariakit .bn-suggestion-menu {
     height: fit-content;
-    max-height: 100%;
+    max-height: inherit;
+    overflow-y: auto;
 }
 
 .bn-ariakit .bn-color-picker-dropdown {
@@ -97,7 +98,7 @@
     gap: 7px;
     height: fit-content;
     justify-items: center;
-    max-height: min(500px, 100%);
+    max-height: inherit;
     overflow-y: auto;
     padding: 20px;
 }
diff --git a/packages/ariakit/src/suggestionMenu/SuggestionMenuItem.tsx b/packages/ariakit/src/suggestionMenu/SuggestionMenuItem.tsx
index 8acf330c3..1169c7403 100644
--- a/packages/ariakit/src/suggestionMenu/SuggestionMenuItem.tsx
+++ b/packages/ariakit/src/suggestionMenu/SuggestionMenuItem.tsx
@@ -17,10 +17,7 @@ export const SuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
diff --git a/packages/ariakit/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx b/packages/ariakit/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
index 75624ede1..6db77fda6 100644
--- a/packages/ariakit/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
+++ b/packages/ariakit/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
@@ -17,10 +17,7 @@ export const GridSuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-grid-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
diff --git a/packages/mantine/src/suggestionMenu/SuggestionMenuItem.tsx b/packages/mantine/src/suggestionMenu/SuggestionMenuItem.tsx
index c7db27e38..6174ff498 100644
--- a/packages/mantine/src/suggestionMenu/SuggestionMenuItem.tsx
+++ b/packages/mantine/src/suggestionMenu/SuggestionMenuItem.tsx
@@ -25,10 +25,7 @@ export const SuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
diff --git a/packages/mantine/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx b/packages/mantine/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
index a03edfd6b..ded689a9c 100644
--- a/packages/mantine/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
+++ b/packages/mantine/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
@@ -19,10 +19,7 @@ export const GridSuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-grid-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
diff --git a/packages/react/src/util/elementOverflow.ts b/packages/react/src/util/elementOverflow.ts
index 2eff6bf5b..2a3136f16 100644
--- a/packages/react/src/util/elementOverflow.ts
+++ b/packages/react/src/util/elementOverflow.ts
@@ -1,9 +1,47 @@
-export function elementOverflow(element: HTMLElement, container: HTMLElement) {
+// Default for `getContainer`, meant for use in suggestion menus. Traverses
+// ancestors of the passed element until a suggestion menu root is found.
+const defaultGetContainer = (element: HTMLElement) => {
+  let container: HTMLElement = element;
+
+  while (
+    !container.classList.contains("bn-suggestion-menu") &&
+    !container.classList.contains("bn-grid-suggestion-menu") &&
+    container.parentElement
+  ) {
+    container = container.parentElement;
+  }
+
+  if (
+    !container.classList.contains("bn-suggestion-menu") &&
+    !container.classList.contains("bn-grid-suggestion-menu")
+  ) {
+    return;
+  }
+
+  return container;
+};
+
+export function elementOverflow(
+  element: HTMLElement,
+  getContainer?: () => HTMLElement | undefined
+) {
+  let container = getContainer?.();
+  if (!container) {
+    container = defaultGetContainer(element);
+  }
+  if (!container) {
+    return "none";
+  }
+
   const elementRect = element.getBoundingClientRect();
-  const parentRect = container.getBoundingClientRect();
+  const containerRect = container.getBoundingClientRect();
+
+  if (!containerRect) {
+    return "none";
+  }
 
-  const topOverflow = elementRect.top < parentRect.top;
-  const bottomOverflow = elementRect.bottom > parentRect.bottom;
+  const topOverflow = elementRect.top < containerRect.top;
+  const bottomOverflow = elementRect.bottom > containerRect.bottom;
 
   return topOverflow && bottomOverflow
     ? "both"
diff --git a/packages/shadcn/src/style.css b/packages/shadcn/src/style.css
index bd507e628..c54fc94d4 100644
--- a/packages/shadcn/src/style.css
+++ b/packages/shadcn/src/style.css
@@ -107,7 +107,8 @@
 
 .bn-shadcn .bn-suggestion-menu {
   height: fit-content;
-  max-height: 100%;
+  max-height: inherit;
+  overflow-y: auto;
 }
 
 .bn-shadcn .bn-suggestion-menu-item[aria-selected="true"],
@@ -123,7 +124,7 @@
   gap: 7px;
   height: fit-content;
   justify-items: center;
-  max-height: min(500px, 100%);
+  max-height: inherit;
   overflow-y: auto;
   padding: 20px;
 }
diff --git a/packages/shadcn/src/suggestionMenu/SuggestionMenuItem.tsx b/packages/shadcn/src/suggestionMenu/SuggestionMenuItem.tsx
index a8800f3a5..dea07b2da 100644
--- a/packages/shadcn/src/suggestionMenu/SuggestionMenuItem.tsx
+++ b/packages/shadcn/src/suggestionMenu/SuggestionMenuItem.tsx
@@ -22,10 +22,7 @@ export const SuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);
     } else if (overflow === "bottom") {
diff --git a/packages/shadcn/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx b/packages/shadcn/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
index 75624ede1..6db77fda6 100644
--- a/packages/shadcn/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
+++ b/packages/shadcn/src/suggestionMenu/gridSuggestionMenu/GridSuggestionMenuItem.tsx
@@ -17,10 +17,7 @@ export const GridSuggestionMenuItem = forwardRef<
       return;
     }
 
-    const overflow = elementOverflow(
-      itemRef.current,
-      document.querySelector(".bn-grid-suggestion-menu")!
-    );
+    const overflow = elementOverflow(itemRef.current);
 
     if (overflow === "top") {
       itemRef.current.scrollIntoView(true);