diff --git a/imports/ui/components/Maps/DefMapLayers.js b/imports/ui/components/Maps/DefMapLayers.js
new file mode 100644
index 0000000..d9df56d
--- /dev/null
+++ b/imports/ui/components/Maps/DefMapLayers.js
@@ -0,0 +1,76 @@
+/* eslint-disable react/jsx-indent-props */
+/* eslint-disable import/no-absolute-path */
+/* eslint-disable import/no-absolute-path */
+
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
+import { translate } from 'react-i18next';
+import { GoogleLayer } from 'react-leaflet-google/lib/';
+import Gkeys from '/imports/startup/client/Gkeys';
+import { TileLayer, LayersControl } from 'react-leaflet';
+
+const { BaseLayer } = LayersControl;
+
+class DefMapLayers extends Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      gkey: null
+    };
+  }
+
+  componentDidMount() {
+    const self = this;
+    Gkeys.load((err, key) => {
+      self.setState({ gkey: key });
+    });
+  }
+
+  render() {
+    const { t } = this.props;
+    const osmgraylayer = (
+      <BaseLayer checked={this.props.gray} name={t('Mapa gris de OpenStreetMap')}>
+        <TileLayer
+            attribution="&copy; <a href=&quot;http://osm.org/copyright&quot;>OpenStreetMap</a> contributors"
+            url="http://{s}.tiles.wmflabs.org/bw-mapnik/{z}/{x}/{y}.png"
+        />
+      </BaseLayer>);
+    const osmlayer = (
+      <BaseLayer checked={!this.props.gray} name={t('Mapa color de OpenStreetMap')}>
+        <TileLayer
+            attribution="&amp;copy <a href=&quot;http://osm.org/copyright&quot;>OpenStreetMap</a> contributors"
+            url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
+        />
+      </BaseLayer>);
+    return (
+      <LayersControl position="topleft">
+        {osmlayer}
+        {osmgraylayer}
+        {/* React.Fragment does not work here */}
+        { this.state.gkey &&
+        <BaseLayer name={t('Mapa de carreteras de Google')}>
+          <GoogleLayer googlekey={this.state.gkey} maptype="ROADMAP" />
+        </BaseLayer> }
+        { this.state.gkey &&
+        <BaseLayer name={t('Mapa de terreno de Google')}>
+          <GoogleLayer googlekey={this.state.gkey} maptype="TERRAIN" />
+        </BaseLayer> }
+        { this.state.gkey &&
+        <BaseLayer name={t('Mapa de satélite de Google')}>
+          <GoogleLayer googlekey={this.state.gkey} maptype="SATELLITE" />
+        </BaseLayer> }
+      </LayersControl>
+    );
+  }
+}
+
+DefMapLayers.propTypes = {
+  t: PropTypes.func.isRequired,
+  gray: PropTypes.bool
+};
+
+DefMapLayers.defaultProps = {
+  gray: true
+};
+
+export default translate([], { wait: true })(DefMapLayers);