diff --git a/src/components/src/map/split-map-button.tsx b/src/components/src/map/split-map-button.tsx
index 73d1342d69..702b9f5f21 100644
--- a/src/components/src/map/split-map-button.tsx
+++ b/src/components/src/map/split-map-button.tsx
@@ -3,14 +3,15 @@
 
 import React, {ComponentType, useCallback, useMemo, useState, useRef, useEffect} from 'react';
 import classnames from 'classnames';
-import styled from 'styled-components';
 import {MapControlButton} from '../common/styled-components';
 import {Delete, Split} from '../common/icons';
+import ToolbarItem from '../common/toolbar-item';
 import MapControlTooltipFactory from './map-control-tooltip';
+import MapControlToolbarFactory from './map-control-toolbar';
 import {MapControlItem, MapControls, MapState} from '@kepler.gl/types';
 import {MapSplitMode} from '@kepler.gl/constants';
 
-SplitMapButtonFactory.deps = [MapControlTooltipFactory];
+SplitMapButtonFactory.deps = [MapControlTooltipFactory, MapControlToolbarFactory];
 
 interface SplitMapButtonIcons {
   delete: ComponentType<any>;
@@ -22,39 +23,13 @@ export type SplitMapButtonProps = {
   mapIndex: number;
   onToggleSplitMap: (index?: number) => void;
   onSetMapSplitMode?: (payload: {mapSplitMode: MapSplitMode}) => void;
+  onToggleMapControl?: (control: string) => void;
   actionIcons: SplitMapButtonIcons;
   readOnly: boolean;
   mapControls: MapControls;
   mapState?: MapState;
 };
 
-const StyledSplitModeMenu = styled.div`
-  position: absolute;
-  top: 0;
-  left: -160px;
-  background: ${props => props.theme.dropdownListBgd || '#3A414C'};
-  border-radius: 4px;
-  box-shadow: 0 6px 12px 0 rgba(0, 0, 0, 0.16);
-  padding: 4px 0;
-  z-index: 1000;
-  min-width: 140px;
-`;
-
-const StyledMenuItem = styled.div<{$active?: boolean}>`
-  padding: 8px 16px;
-  color: ${props =>
-    props.$active
-      ? props.theme.activeColor || '#1FBAD6'
-      : props.theme.textColor || '#A0A7B4'};
-  cursor: pointer;
-  font-size: 12px;
-  font-weight: ${props => (props.$active ? 500 : 400)};
-  &:hover {
-    background: ${props => props.theme.dropdownListHighlightBg || '#4B5464'};
-    color: ${props => props.theme.textColorHl || '#FFFFFF'};
-  }
-`;
-
 const SwipeCompareIcon: React.FC<{height?: string}> = ({height = '18px'}) => (
   <svg height={height} viewBox="0 0 16 16" fill="currentColor">
     <path
@@ -69,12 +44,15 @@ const SwipeCompareIcon: React.FC<{height?: string}> = ({height = '18px'}) => (
 );
 
 const SPLIT_MODE_OPTIONS = [
-  {id: MapSplitMode.SINGLE_MAP, label: 'Single'},
-  {id: MapSplitMode.DUAL_MAP, label: 'Dual'},
-  {id: MapSplitMode.SWIPE_COMPARE, label: 'Swipe'}
+  {id: MapSplitMode.SINGLE_MAP, label: 'tooltip.singleView'},
+  {id: MapSplitMode.DUAL_MAP, label: 'tooltip.dualView'},
+  {id: MapSplitMode.SWIPE_COMPARE, label: 'tooltip.swipeView'}
 ];
 
-function SplitMapButtonFactory(MapControlTooltip) {
+function SplitMapButtonFactory(
+  MapControlTooltip: ReturnType<typeof MapControlTooltipFactory>,
+  MapControlToolbar: ReturnType<typeof MapControlToolbarFactory>
+) {
   const defaultActionIcons = {
     delete: Delete,
     split: Split
@@ -86,27 +64,56 @@ function SplitMapButtonFactory(MapControlTooltip) {
     mapIndex,
     onToggleSplitMap,
     onSetMapSplitMode,
+    onToggleMapControl,
     actionIcons = defaultActionIcons,
     mapControls,
     readOnly,
     mapState
   }) => {
     const splitMap = mapControls?.splitMap || ({} as MapControlItem);
-    const [menuOpen, setMenuOpen] = useState(false);
     const menuRef = useRef<HTMLDivElement>(null);
 
+    // The split-mode menu open state is normally kept in redux
+    // (mapControls.splitMap.active) so it participates in the "only one
+    // map-control menu open at a time" logic in toggleMapControlUpdater.
+    // If a consumer supplies onSetMapSplitMode without onToggleMapControl, we
+    // fall back to local component state so the menu still opens/closes.
+    const useReduxMenuState = Boolean(onToggleMapControl);
+    const [localMenuOpen, setLocalMenuOpen] = useState(false);
+
+    const toggleMenu = useCallback(() => {
+      if (useReduxMenuState) {
+        onToggleMapControl?.('splitMap');
+      } else {
+        setLocalMenuOpen(prev => !prev);
+      }
+    }, [useReduxMenuState, onToggleMapControl]);
+
+    const closeMenu = useCallback(() => {
+      if (useReduxMenuState) {
+        if (splitMap.active) {
+          onToggleMapControl?.('splitMap');
+        }
+      } else {
+        setLocalMenuOpen(false);
+      }
+    }, [useReduxMenuState, onToggleMapControl, splitMap.active]);
+
+    const menuOpen =
+      Boolean(onSetMapSplitMode) && (useReduxMenuState ? Boolean(splitMap.active) : localMenuOpen);
+
     const currentMode = mapState?.mapSplitMode || MapSplitMode.SINGLE_MAP;
 
     const onClick = useCallback(
       event => {
         event.preventDefault();
         if (onSetMapSplitMode) {
-          setMenuOpen(prev => !prev);
+          toggleMenu();
         } else {
           onToggleSplitMap(isSplit ? mapIndex : undefined);
         }
       },
-      [isSplit, mapIndex, onToggleSplitMap, onSetMapSplitMode]
+      [isSplit, mapIndex, onToggleSplitMap, onSetMapSplitMode, toggleMenu]
     );
 
     const handleModeSelect = useCallback(
@@ -114,15 +121,15 @@ function SplitMapButtonFactory(MapControlTooltip) {
         if (onSetMapSplitMode) {
           onSetMapSplitMode({mapSplitMode: mode as MapSplitMode});
         }
-        setMenuOpen(false);
+        closeMenu();
       },
-      [onSetMapSplitMode]
+      [onSetMapSplitMode, closeMenu]
     );
 
     useEffect(() => {
       const handleClickOutside = (event: MouseEvent) => {
         if (menuRef.current && !menuRef.current.contains(event.target as Node)) {
-          setMenuOpen(false);
+          closeMenu();
         }
       };
       if (menuOpen) {
@@ -131,7 +138,7 @@ function SplitMapButtonFactory(MapControlTooltip) {
       return () => {
         document.removeEventListener('mousedown', handleClickOutside);
       };
-    }, [menuOpen]);
+    }, [menuOpen, closeMenu]);
 
     const isVisible = useMemo(() => splitMap.show && readOnly !== true, [splitMap.show, readOnly]);
 
@@ -139,7 +146,19 @@ function SplitMapButtonFactory(MapControlTooltip) {
       return null;
     }
     return isVisible ? (
-      <div style={{position: 'relative'}} ref={menuRef}>
+      <div className="split-map-controls" style={{position: 'relative'}} ref={menuRef}>
+        {menuOpen && onSetMapSplitMode ? (
+          <MapControlToolbar $show={menuOpen}>
+            {SPLIT_MODE_OPTIONS.map(option => (
+              <ToolbarItem
+                key={option.id}
+                onClick={() => handleModeSelect(option.id)}
+                label={option.label}
+                active={currentMode === option.id}
+              />
+            ))}
+          </MapControlToolbar>
+        ) : null}
         <MapControlTooltip
           id="action-toggle"
           message={
@@ -164,19 +183,6 @@ function SplitMapButtonFactory(MapControlTooltip) {
             )}
           </MapControlButton>
         </MapControlTooltip>
-        {menuOpen && onSetMapSplitMode && (
-          <StyledSplitModeMenu>
-            {SPLIT_MODE_OPTIONS.map(option => (
-              <StyledMenuItem
-                key={option.id}
-                $active={currentMode === option.id}
-                onClick={() => handleModeSelect(option.id)}
-              >
-                {option.label}
-              </StyledMenuItem>
-            ))}
-          </StyledSplitModeMenu>
-        )}
       </div>
     ) : null;
   };
diff --git a/src/localization/src/translations/ca.ts b/src/localization/src/translations/ca.ts
index 1e187cf3ee..d1a6e53b6f 100644
--- a/src/localization/src/translations/ca.ts
+++ b/src/localization/src/translations/ca.ts
@@ -314,6 +314,9 @@ export default {
     closePanel: 'Tanca panel actual',
     switchToDualView: 'Canvia a la vista de mapa dual',
     selectSplitMode: "Selecciona el mode de vista del mapa",
+    singleView: "Únic",
+    dualView: "Doble",
+    swipeView: "Comparar",
     showLegend: 'mostra llegenda',
     disable3DMap: 'Desactiva mapa 3D',
     DrawOnMap: 'Dibuixa al mapa',
diff --git a/src/localization/src/translations/cn.ts b/src/localization/src/translations/cn.ts
index 63a45c0a81..ec47b2541d 100644
--- a/src/localization/src/translations/cn.ts
+++ b/src/localization/src/translations/cn.ts
@@ -301,6 +301,9 @@ export default {
     closePanel: '关闭当前面板',
     switchToDualView: '切换到双地图视图',
     selectSplitMode: '选择地图视图模式',
+    singleView: '单个',
+    dualView: '双屏',
+    swipeView: '对比',
     showLegend: '显示图例',
     disable3DMap: '禁用 3D 地图',
     DrawOnMap: '在地图上绘制',
diff --git a/src/localization/src/translations/en.ts b/src/localization/src/translations/en.ts
index 84aefb01c4..60e203a7e1 100644
--- a/src/localization/src/translations/en.ts
+++ b/src/localization/src/translations/en.ts
@@ -356,6 +356,9 @@ export default {
     closePanel: 'Close current panel',
     switchToDualView: 'Switch to dual map view',
     selectSplitMode: 'Select map view mode',
+    singleView: 'Single',
+    dualView: 'Dual',
+    swipeView: 'Swipe',
     showLegend: 'Show legend',
     disable3DMap: 'Disable 3D Map',
     globeMap: 'Globe Map',
diff --git a/src/localization/src/translations/es.ts b/src/localization/src/translations/es.ts
index cb4928db11..f3b9155229 100644
--- a/src/localization/src/translations/es.ts
+++ b/src/localization/src/translations/es.ts
@@ -315,6 +315,9 @@ export default {
     closePanel: 'Cerrar el panel actual',
     switchToDualView: 'Cambiar a la vista de mapa dual',
     selectSplitMode: 'Seleccionar modo de vista del mapa',
+    singleView: 'Único',
+    dualView: 'Doble',
+    swipeView: 'Comparar',
     showLegend: 'Mostrar leyenda',
     disable3DMap: 'Desactivar mapa 3D',
     DrawOnMap: 'Dibujar en el mapa',
diff --git a/src/localization/src/translations/fi.ts b/src/localization/src/translations/fi.ts
index b111c7d756..05c7dbe8f7 100644
--- a/src/localization/src/translations/fi.ts
+++ b/src/localization/src/translations/fi.ts
@@ -313,6 +313,9 @@ export default {
     closePanel: 'Sulje paneeli',
     switchToDualView: 'Vaihda kaksoiskarrtanäkymään',
     selectSplitMode: 'Valitse karttanäkymätila',
+    singleView: 'Yksi',
+    dualView: 'Kaksois',
+    swipeView: 'Vertaa',
     showLegend: 'Näytä selite',
     disable3DMap: 'Poistu 3D-näkymästä',
     DrawOnMap: 'Piirrä kartalle',
diff --git a/src/localization/src/translations/ja.ts b/src/localization/src/translations/ja.ts
index f3beb3f3f9..ede08a0105 100644
--- a/src/localization/src/translations/ja.ts
+++ b/src/localization/src/translations/ja.ts
@@ -310,6 +310,9 @@ export default {
     closePanel: 'このパネルを閉じる',
     switchToDualView: 'デュアルビューに切り替え',
     selectSplitMode: 'マップ表示モードを選択',
+    singleView: 'シングル',
+    dualView: 'デュアル',
+    swipeView: 'スワイプ',
     showLegend: '凡例を表示',
     disable3DMap: '3D地図を無効化',
     DrawOnMap: '地図上に図形を描画',
diff --git a/src/localization/src/translations/pt.ts b/src/localization/src/translations/pt.ts
index 9034cd8464..dd87a35dd9 100644
--- a/src/localization/src/translations/pt.ts
+++ b/src/localization/src/translations/pt.ts
@@ -315,6 +315,9 @@ export default {
     closePanel: 'Fechar painel atual',
     switchToDualView: 'Trocar para visualização dupla de mapa',
     selectSplitMode: 'Selecionar modo de visualização do mapa',
+    singleView: 'Único',
+    dualView: 'Duplo',
+    swipeView: 'Comparar',
     showLegend: 'mostrar legenda',
     disable3DMap: 'Desabilitar Mapa 3D',
     DrawOnMap: 'Desenhar no mapa',
diff --git a/src/localization/src/translations/ru.ts b/src/localization/src/translations/ru.ts
index ffeadce4f1..0675598455 100644
--- a/src/localization/src/translations/ru.ts
+++ b/src/localization/src/translations/ru.ts
@@ -312,6 +312,9 @@ export default {
     closePanel: 'Закрыть текущую панель',
     switchToDualView: 'Перейти в режим двойной карты',
     selectSplitMode: 'Выбрать режим отображения карты',
+    singleView: 'Одна',
+    dualView: 'Двойная',
+    swipeView: 'Сравнение',
     showLegend: 'Показать легенду',
     disable3DMap: 'Отключить 3D Карту',
     DrawOnMap: 'Рисовать на карте',
diff --git a/src/reducers/src/ui-state-updaters.ts b/src/reducers/src/ui-state-updaters.ts
index 34705d191a..877e45e902 100644
--- a/src/reducers/src/ui-state-updaters.ts
+++ b/src/reducers/src/ui-state-updaters.ts
@@ -387,6 +387,16 @@ export const toggleSidePanelCloseButtonUpdater = (
   isSidePanelCloseButtonVisible: show
 });
 
+// Map control dropdowns/menus that overlap each other visually and therefore
+// should be mutually exclusive: opening one closes all the others.
+// (split/view-mode menu, top/3d/globe menu, polygon draw tool, language menu)
+export const MUTUALLY_EXCLUSIVE_MAP_CONTROLS: string[] = [
+  MAP_CONTROLS.splitMap,
+  MAP_CONTROLS.toggle3d,
+  MAP_CONTROLS.mapDraw,
+  MAP_CONTROLS.mapLocale
+];
+
 /**
  * Toggle active map control panel
  * @memberof uiStateUpdaters
@@ -410,15 +420,6 @@ export const toggleMapControlUpdater = (
       ? MAP_CONTROLS.effect
       : null;
 
-  // To to toggle the mapDraw and mapLocal dropdowns
-  // We have to deactivate the other active dropdown
-  const dropdownToDeactivate =
-    panelId === MAP_CONTROLS.mapDraw
-      ? MAP_CONTROLS.mapLocale
-      : panelId === MAP_CONTROLS.mapLocale
-      ? MAP_CONTROLS.mapDraw
-      : null;
-
   // If we need to deactivate a competing panel and it's currently active
   if (panelToDeactivate && state.mapControls[panelToDeactivate]?.active) {
     updatedState = {
@@ -433,18 +434,22 @@ export const toggleMapControlUpdater = (
     };
   }
 
-  // If we need to deactivate a competing dropdown and it's currently active
-  if (dropdownToDeactivate && state.mapControls[dropdownToDeactivate]?.active) {
-    updatedState = {
-      ...state,
-      mapControls: {
-        ...updatedState.mapControls,
-        [dropdownToDeactivate]: {
-          ...updatedState.mapControls[dropdownToDeactivate],
-          active: false
-        }
+  // The overlapping map control menus should be mutually exclusive: when one of
+  // them is being opened, deactivate every other one that is currently active
+  // so their dropdowns never overlap on screen.
+  const isOpening = !updatedState.mapControls[panelId]?.active;
+  if (isOpening && MUTUALLY_EXCLUSIVE_MAP_CONTROLS.includes(panelId)) {
+    const nextMapControls = {...updatedState.mapControls};
+    let didDeactivate = false;
+    MUTUALLY_EXCLUSIVE_MAP_CONTROLS.forEach(controlId => {
+      if (controlId !== panelId && nextMapControls[controlId]?.active) {
+        nextMapControls[controlId] = {...nextMapControls[controlId], active: false};
+        didDeactivate = true;
       }
-    };
+    });
+    if (didDeactivate) {
+      updatedState = {...updatedState, mapControls: nextMapControls};
+    }
   }
 
   return {