The Coral Flyer is an adrenalin rush of turquoise water and wind-in-your-hair, taking you from Pulau Gaya to Pulau Sapi on the world's longest island-to-island zip line. At 250m in length, and gathering speeds up to 60km/h, it has two zip lines, so you can race a friend. Intrepid kids go tandem with a parent. Free boat transfer back from Sapi to Gaya.