diff --git a/docs/colors-and-icons.md b/docs/colors-and-icons.md
index 4dc9f9e6..11962cf3 100644
--- a/docs/colors-and-icons.md
+++ b/docs/colors-and-icons.md
@@ -3,7 +3,7 @@
 One of the first customisations is to change the marketplace colors
 and icons.
 
-# Colors
+## Colors
 
 To change the marketplace colors, open the
 [src/marketplace.css](../src/marketplace.css) file and change the
@@ -15,7 +15,7 @@ color variables:
 --marketplaceColorDark: #8c291e;
 ```
 
-# Icons
+## Icons
 
 The default icons are generated with
 [RealFaviconGenerator](https://realfavicongenerator.net/). You can
@@ -60,3 +60,10 @@ point to those images.
     <meta name="theme-color" content="#c0392b">
     <!-- End Favicons -->
    ```
+
+## Map marker icon
+
+The map marker icon in the listing can be found in
+[src/components/Map/images/marker.png](../src/components/Map/images/marker.png). The
+dimensions should be 32x32 pixels, so the `favicon-32x32.png` file can
+be used to replace the map icon.
diff --git a/src/components/Map/Map.js b/src/components/Map/Map.js
index 2645a25a..209b7f9c 100644
--- a/src/components/Map/Map.js
+++ b/src/components/Map/Map.js
@@ -3,7 +3,7 @@ import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import * as propTypes from '../../util/propTypes';
 
-import CustomMarker from './images/customMarker.png';
+import CustomMarker from './images/marker.png';
 import css from './Map.css';
 
 class Map extends Component {
@@ -29,28 +29,18 @@ class Map extends Component {
 
     const customMarker = {
       url: CustomMarker,
-      // This marker is 21 pixels wide by 25 pixels high.
-      size: new window.google.maps.Size(21, 25),
+      // This marker is 32 pixels wide by 32 pixels high.
+      size: new window.google.maps.Size(32, 32),
       // The origin for this image is (0, 0).
       origin: new window.google.maps.Point(0, 0),
-      // The anchor for this image is the base of the flagpole at (10, 25).
-      anchor: new window.google.maps.Point(10, 25),
+      // The anchor for the marker is in the bottom center.
+      anchor: new window.google.maps.Point(16, 32),
     };
 
-    // Shapes define the clickable region of the icon. The type defines an HTML
-    // <area> element 'poly' which traces out a polygon as a series of X,Y points.
-    // The final coordinate closes the poly by connecting to the first coordinate.
-    const shape = {
-      coords: [1, 1, 1, 21, 25, 21, 25, 1],
-      type: 'poly',
-    };
-
-    // eslint-disable-next-line no-new
     new window.google.maps.Marker({
       position: centerLocation,
       map,
       icon: customMarker,
-      shape,
       title: address,
     });
   }
diff --git a/src/components/Map/images/customMarker.png b/src/components/Map/images/customMarker.png
deleted file mode 100644
index 9d12f848..00000000
Binary files a/src/components/Map/images/customMarker.png and /dev/null differ
diff --git a/src/components/Map/images/marker.png b/src/components/Map/images/marker.png
new file mode 100644
index 00000000..f2f8dc2b
Binary files /dev/null and b/src/components/Map/images/marker.png differ