Lonely Planet
How to visit Indonesia's Gili Islands on a budget
The Gili Islands, off the west coast of Lombok, Indonesia, are three very special pedestrian-only islands that could also make for an incredibly affordable trip.
organizes beach cleans

“Gili Eco Trust is a local non-governmental organization created in 2000 to protect coral reefs from destructive fishing around the three Gili Islands, off Lombok, Indonesia.”