Gili Trawangan is the largest of Lombok's Gili Islands and is the only one to rise significantly above sea level. It is 3km long and 2km wide with a population of about 800. Of the Gilis, Trawangan has the most tourist facilities, the pub Tîr na Nôg claims that Trawangan is the smallest island in the world with an Irish pub. The most crowded part of Trawangan lies on the eastern side.

Gili Trawangan has more of a "party" atmosphere than Gili Meno and Gili Air, with all-night parties that rotate amongst a group of venues each night. While during the day, the popular activities for visitors are scuba diving (PADI certified), snorkeling (mainly along the northeastern coastline), kayaking and surfing. There are also stalls that offer horseback riding as a pastime activity.

There are no motorized vehicles On Gili Trawangan (as well as the other two Gilis). The main transportations are bicycles (rented by locals to tourists) and cidomo (a small horse-drawn carriage). For traveling to and from each of the Gilis, locals usually use motorized boats and speedboats.

The most developed tourism area of Gili Trawangan lies on the eastern side that is full of accommodations, restaurants, and dive shops. If you are seeking a quieter place to stay there are bungalows in the north. And in the south coast, Hotel Vila Ombak - the first international hotel on the magical island of Gili Trawangan, is a place that balances the comforts of first class accommodation with the natural beauty that surrounds it.

Apart from sunbathing and watching sunrise and sunset there are many activities that can be enjoyed in Gili Trawangan, such as snorkeling off-the-shore, swimming, or join any dive trips with any dive operators which colored the lines. There are quality dive schools available to cater the needs of tourists, offering complete range of PADI courses, as well as Fun Dives for those already certified.