diff --git a/blocks/library/image/index.js b/blocks/library/image/index.js
index cae10db7e2834..dce10e1702a80 100644
--- a/blocks/library/image/index.js
+++ b/blocks/library/image/index.js
@@ -59,12 +59,18 @@ registerBlock( 'core/image', {
 			title: wp.i18n.__( 'No alignment' ),
 			isActive: ( { align } ) => ! align || 'none' === align,
 			onClick: applyOrUnset( 'none' )
+		},
+		{
+			icon: 'align-full-width',
+			title: wp.i18n.__( 'Wide width' ),
+			isActive: ( { align } ) => 'wide' === align,
+			onClick: applyOrUnset( 'wide' )
 		}
 	],
 
 	getEditWrapperProps( attributes ) {
 		const { align } = attributes;
-		if ( 'left' === align || 'right' === align ) {
+		if ( 'left' === align || 'right' === align || 'wide' === align ) {
 			return { 'data-align': align };
 		}
 	},
diff --git a/blocks/library/image/style.scss b/blocks/library/image/style.scss
index 4f2a52fd70381..5f7ae58958416 100644
--- a/blocks/library/image/style.scss
+++ b/blocks/library/image/style.scss
@@ -15,6 +15,70 @@
 		float: right;
 		margin-left: 15px;
 	}
+
+	&[data-align="wide"] {
+		// Here be dragons...
+		//
+		// Variable offsets:
+		//  - Left sidebar
+		//   - Hidden at small viewports
+		//   - Foldable
+		//   - Expanded at medium and above
+		//  - Post settings
+		//   - Collapsed
+		//   - Expanded
+
+		left: 50%;
+		right: 50%;
+		margin-left: -50vw;
+		margin-right: -50vw;
+		width: 100vw;
+		padding-left: 0;
+		padding-right: 0;
+		max-width: none;
+
+		.editor-layout.is-sidebar-opened & {
+			margin-left: calc( -50vw + #{ $sidebar-width / 2 } );
+			margin-right: calc( -50vw + #{ $sidebar-width / 2 } );
+			width: calc( 100vw - #{ $sidebar-width } );
+		}
+
+		@include break-medium() {
+			margin-left: calc( -50vw + 80px );
+			margin-right: calc( -50vw + 80px );
+			width: calc( 100vw - 160px );
+
+			.auto-fold &,
+			.folded & {
+				margin-left: calc( -50vw + 18px );
+				margin-right: calc( -50vw + 18px );
+				width: calc( 100vw - 36px );
+			}
+
+			.editor-layout.is-sidebar-opened & {
+				margin-left: calc( -50vw + 80px + #{ $sidebar-width / 2 } );
+				margin-right: calc( -50vw + 80px + #{ $sidebar-width / 2 } );
+				width: calc( 100vw - 160px - #{ $sidebar-width } );
+
+				.auto-fold &,
+				.folded & {
+					margin-left: calc( -50vw + 18px + #{ $sidebar-width / 2 } );
+					margin-right: calc( -50vw + 18px + #{ $sidebar-width / 2 } );
+					width: calc( 100vw - 36px - #{ $sidebar-width } );
+				}
+			}
+		}
+
+		&:before {
+			left: 0;
+			border-left-width: 0;
+			border-right-width: 0;
+		}
+
+		.editor-block-mover {
+			display: none;
+		}
+	}
 }
 
 .blocks-image {
@@ -22,5 +86,6 @@
 
 	img {
 		display: block;
+		width: 100%;
 	}
 }
diff --git a/editor/layout/style.scss b/editor/layout/style.scss
index 3abdaa4b4b873..a9bfb11deca51 100644
--- a/editor/layout/style.scss
+++ b/editor/layout/style.scss
@@ -1,3 +1,7 @@
-.editor-layout.is-sidebar-opened .editor-layout__content {
-	margin-right: $sidebar-width;
+.editor-layout__content {
+	overflow: hidden;
+
+	.editor-layout.is-sidebar-opened & {
+		margin-right: $sidebar-width;
+	}
 }
diff --git a/editor/modes/visual-editor/style.scss b/editor/modes/visual-editor/style.scss
index 9b269faeb3bff..22565309d6a89 100644
--- a/editor/modes/visual-editor/style.scss
+++ b/editor/modes/visual-editor/style.scss
@@ -1,6 +1,6 @@
 .editor-visual-editor {
 	margin: 60px auto 0;
-	width: 700px;
+	max-width: 700px;
 
 	&,
 	& p {
@@ -12,10 +12,9 @@
 
 .editor-visual-editor__block {
 	position: relative;
-	border: 2px solid transparent;
-	transition: 0.2s border-color;
-	margin-left: -35px;
+	left: -35px;
 	padding: 15px 15px 15px 50px;
+	transition: 0.2s border-color;
 
 	&:before {
 		z-index: -1;
diff --git a/languages/gutenberg.pot b/languages/gutenberg.pot
index 928118c1eee50..d4f4953ac7ceb 100644
--- a/languages/gutenberg.pot
+++ b/languages/gutenberg.pot
@@ -46,7 +46,7 @@ msgid "Embed"
 msgstr ""
 
 #: blocks/library/embed/index.js:33
-#: blocks/library/image/index.js:81
+#: blocks/library/image/index.js:87
 msgid "Write caption…"
 msgstr ""
 
@@ -70,6 +70,10 @@ msgstr ""
 msgid "No alignment"
 msgstr ""
 
+#: blocks/library/image/index.js:65
+msgid "Wide width"
+msgstr ""
+
 #: blocks/library/list/index.js:11
 msgid "List"
 msgstr ""