The developments of technology have already moved forward specially in wireless and network technology. The movement in fact is begine from hardware tools used and the speed of network. However, this movement of technology could make communication easier, an information in a place or in a village sould dissapear in only some second time. But an information has to be handled well to make it easier to be understood by many people. Because of that, the need of aspecial good system is highly needed to manage the information wich called information system. There are information system with only in words or writing and others with pictures or maps. The system with map called Geographic Information System.East Lombok has big tourism potency, however this potency is un known by tourist, because the lack of information. Currently information prouded is only in static character. And this research aims to determine this potency in East Lombok by creating WebGIS Application Using Google Maps API.