I want visitor can add marker and save it from street/building address using google maps in my site and search other marker, like this site http://tinyurl.com/3cse9d , in that site you can double click in the maps and the green marker will show up and you can add address information there The script must have search form to search street/building address like above site, i dont know what script he is using, i think it is custom script Maybe you can read and use google maps tutorial with php and mysql here http://tinyurl.com/2vgk82 if you have live demo it will better for me to choose you, give me pm, i will give answer as fast as i can $50 paypal for this job