Gili (island) Trawangan is one amongst several popular gili's in Lombok. The other gilis are Gili Air, Gili Meno, Gili Nanggu, Gili Sudak, and Gili Kedis.
Many beach & sea activities are available at Gili Trawangan. Snorkling is the most favorite activities for many people, while some might go deeper if they already have dive license. Some dive center also available at Gili Trawangan.