Простое добавление иконки в google map

function initMap() {
  var myLatLng = {lat: 55.818193, lng: 37.521821};
  var map = new google.maps.Map(document.getElementById('map'), {
    center: myLatLng,
    zoom: 18,
    scrollwheel: false,
    disableDefaultUI: true,
    styles: [{"stylers": [{"hue": "#ff1a00"}, {"invert_lightness": true}, {"saturation": -100}, {"lightness": 33}, {"gamma": 0.5}]}, {"featureType": "water", "elementType": "geometry", "stylers": [{"color": "#2D333C"}]}]
  });
  var marker = new google.maps.Marker({
    position: myLatLng,
    map: map,
    title: 'г. Москва, ул. Большая Академическая д.5 стр. 1',
    icon: 'images/icon-place.png'
  });
}