When you have too may markers you can apply clustering as explained in https://developers.google.com/maps/documentation/javascript/marker-clustering
You can start with samples to figure out how to implement maps https://developers.google.com/maps/documentation/javascript/examples/ Please note that this Google Group will be deprecated by end of May. Please use the alternative methods laid out in the header if you still need assistance. Thanks for your understanding. -- You received this message because you are subscribed to the Google Groups "[deprecated] Google Maps JavaScript API v3. Please use the latest post." group. To unsubscribe from this group and stop receiving emails from it, send an email to google-maps-js-api-v3+unsubscr...@googlegroups.com. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. Visit this group at https://groups.google.com/group/google-maps-js-api-v3. For more options, visit https://groups.google.com/d/optout.