diff --git a/packages/block-library/src/navigation/edit/index.js b/packages/block-library/src/navigation/edit/index.js
index bbd632a27e56f..bc3e879632ee7 100644
--- a/packages/block-library/src/navigation/edit/index.js
+++ b/packages/block-library/src/navigation/edit/index.js
@@ -36,6 +36,7 @@ import {
 import { __, sprintf } from '@wordpress/i18n';
 import { speak } from '@wordpress/a11y';
 import { createBlock } from '@wordpress/blocks';
+import { close, Icon } from '@wordpress/icons';
 
 /**
  * Internal dependencies
@@ -465,15 +466,25 @@ function Navigation( {
 								setOverlayMenuPreview( ! overlayMenuPreview );
 							} }
 						>
-							{ hasIcon && <OverlayMenuIcon /> }
-							{ ! hasIcon && <span>{ __( 'Menu' ) }</span> }
+							{ hasIcon && (
+								<>
+									<OverlayMenuIcon />
+									<Icon icon={ close } />
+								</>
+							) }
+							{ ! hasIcon && (
+								<>
+									<span>{ __( 'Menu' ) }</span>
+									<span>{ __( 'Close' ) }</span>
+								</>
+							) }
 						</Button>
 					) }
 					{ overlayMenuPreview && (
 						<ToggleControl
 							label={ __( 'Show icon button' ) }
 							help={ __(
-								'Configure the visual appearance of the button opening the overlay menu.'
+								'Configure the visual appearance of the button opening and closing the overlay menu.'
 							) }
 							onChange={ ( value ) =>
 								setAttributes( { hasIcon: value } )
diff --git a/packages/block-library/src/navigation/edit/responsive-wrapper.js b/packages/block-library/src/navigation/edit/responsive-wrapper.js
index 3e6cced93fffc..880dbec8921d3 100644
--- a/packages/block-library/src/navigation/edit/responsive-wrapper.js
+++ b/packages/block-library/src/navigation/edit/responsive-wrapper.js
@@ -79,7 +79,7 @@ export default function ResponsiveWrapper( {
 			{ ! isOpen && (
 				<Button
 					aria-haspopup="true"
-					aria-label={ __( 'Open menu' ) }
+					aria-label={ hasIcon && __( 'Open menu' ) }
 					className={ openButtonClasses }
 					onClick={ () => onToggle( true ) }
 				>
@@ -104,10 +104,15 @@ export default function ResponsiveWrapper( {
 					<div { ...dialogProps }>
 						<Button
 							className="wp-block-navigation__responsive-container-close"
-							aria-label={ __( 'Close menu' ) }
+							aria-label={ hasIcon && __( 'Close menu' ) }
 							onClick={ () => onToggle( false ) }
 						>
-							<Icon icon={ close } />
+							{ hasIcon && <Icon icon={ close } /> }
+							{ ! hasIcon && (
+								<span className="wp-block-navigation__toggle_button_label">
+									{ __( 'Close' ) }
+								</span>
+							) }
 						</Button>
 						<div
 							className="wp-block-navigation__responsive-container-content"
diff --git a/packages/block-library/src/navigation/editor.scss b/packages/block-library/src/navigation/editor.scss
index abda30d87ce2c..aba1463b17dd1 100644
--- a/packages/block-library/src/navigation/editor.scss
+++ b/packages/block-library/src/navigation/editor.scss
@@ -586,6 +586,7 @@ body.editor-styles-wrapper
 .wp-block-navigation__overlay-menu-preview {
 	display: flex;
 	align-items: center;
+	justify-content: space-between;
 	width: 100%;
 	background-color: $gray-100;
 	padding: 0 $grid-unit-30;
diff --git a/packages/block-library/src/navigation/index.php b/packages/block-library/src/navigation/index.php
index 310288ec9a251..6a117977a7985 100644
--- a/packages/block-library/src/navigation/index.php
+++ b/packages/block-library/src/navigation/index.php
@@ -610,16 +610,20 @@ function render_block_core_navigation( $attributes, $content, $block ) {
 		$is_hidden_by_default ? 'always-shown' : '',
 	);
 
-	$toggle_button_icon        = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><rect x="4" y="7.5" width="16" height="1.5" /><rect x="4" y="15" width="16" height="1.5" /></svg>';
-	$should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];
-	$toggle_button_content     = $should_display_icon_label ? $toggle_button_icon : 'Menu';
+	$should_display_icon_label   = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];
+	$toggle_button_icon          = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><rect x="4" y="7.5" width="16" height="1.5" /><rect x="4" y="15" width="16" height="1.5" /></svg>';
+	$toggle_button_content       = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' );
+	$toggle_close_button_icon    = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg>';
+	$toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' );
+	$toggle_aria_label_open      = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label.
+	$toggle_aria_label_close     = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label.
 
 	$responsive_container_markup = sprintf(
-		'<button aria-haspopup="true" aria-label="%3$s" class="%6$s" data-micromodal-trigger="%1$s">%9$s</button>
+		'<button aria-haspopup="true" %3$s class="%6$s" data-micromodal-trigger="%1$s">%9$s</button>
 			<div class="%5$s" style="%7$s" id="%1$s">
 				<div class="wp-block-navigation__responsive-close" tabindex="-1" data-micromodal-close>
 					<div class="wp-block-navigation__responsive-dialog" aria-label="%8$s">
-							<button aria-label="%4$s" data-micromodal-close class="wp-block-navigation__responsive-container-close"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg></button>
+							<button %4$s data-micromodal-close class="wp-block-navigation__responsive-container-close">%10$s</button>
 						<div class="wp-block-navigation__responsive-container-content" id="%1$s-content">
 							%2$s
 						</div>
@@ -628,13 +632,14 @@ function render_block_core_navigation( $attributes, $content, $block ) {
 			</div>',
 		esc_attr( $modal_unique_id ),
 		$inner_blocks_html,
-		__( 'Open menu' ), // Open button label.
-		__( 'Close menu' ), // Close button label.
+		$toggle_aria_label_open,
+		$toggle_aria_label_close,
 		esc_attr( implode( ' ', $responsive_container_classes ) ),
 		esc_attr( implode( ' ', $open_button_classes ) ),
 		safecss_filter_attr( $colors['overlay_inline_styles'] ),
 		__( 'Menu' ),
-		$toggle_button_content
+		$toggle_button_content,
+		$toggle_close_button_content
 	);
 
 	return sprintf(
diff --git a/packages/block-library/src/navigation/style.scss b/packages/block-library/src/navigation/style.scss
index 34b930442cd8f..eb681b9722924 100644
--- a/packages/block-library/src/navigation/style.scss
+++ b/packages/block-library/src/navigation/style.scss
@@ -613,6 +613,7 @@ button.wp-block-navigation-item__content {
 	border: none;
 	margin: 0;
 	padding: 0;
+	text-transform: inherit;
 
 	svg {
 		fill: currentColor;