PLANNING YOUR TRIP
Getting to the Gili Islands & Planning a Dive Trip
Fast boats from Bali, car-free islands, the best season for visibility, and whether to snorkel or dive — the practical basics for planning a Gili Islands trip.
See Gili Islands diving on GetYourGuide ↗Getting there from Bali or Lombok
Most visitors reach the Gili Islands by fast boat, either directly from harbours on Bali — a journey of roughly two to three hours depending on the departure point and sea conditions — or via a shorter crossing from Bangsal harbour on Lombok, reachable by road from Lombok International Airport. Several ferry and fast-boat operators run daily services, generally with separate boats to each of the three islands, so it's worth checking which island your chosen boat actually stops at before booking. Sea conditions can occasionally delay or cancel sailings, particularly outside the calmer dry-season months, so building in a buffer day either side of a planned dive trip is a sensible habit.
Life on car-free islands
None of the three Gili Islands allow cars or motorbikes — a rule that's part of their appeal and genuinely shapes how a stay feels. Getting around means walking, hiring a bicycle, or taking a horse-drawn cidomo cart, and because the islands are small, most accommodation ends up within easy walking or cycling distance of a dive centre and the harbour. It also means nights are notably quieter than most Southeast Asian beach destinations — no traffic noise, just the sound of the sea and, on Trawangan, music from the bars along the strip.
Season and visibility
Diving is possible around the Gilis year-round since the water stays warm throughout, but conditions do shift with the seasons. The drier months, roughly April through November, generally bring calmer seas and better underwater visibility, while the wetter season from December through March can bring more rain, choppier crossings and occasionally reduced visibility from runoff and plankton. Turtles and the resident reef life are present all year regardless of season, so there's no wrong time to dive — it's really a question of trading off visibility and boat comfort against quieter, less crowded conditions in the wetter months.
Snorkeling vs diving: who should do which
Snorkeling is a genuinely good way to see much of what the Gilis offer, since the shallow reef edges and turtle grazing areas are often close enough to the surface to spot from above without diving gear — it's accessible to non-swimmers with a life jacket and requires no training. Diving goes further: it reaches deeper reef sections, walls and current sites snorkelers can't access, gets you closer to shy species like reef sharks that tend to stay below snorkel depth, and simply lasts longer per outing. Neither replaces the other — many visitors do both, snorkeling on a rest day between dives.
Choosing where to stay
Because the three islands are close together and share the same dive sites, choosing accommodation is less about proximity to good diving — it's all reachable by short boat trips regardless — and more about the kind of stay you want, as covered by island in a separate comparison. Whichever island you pick, staying reasonably close to your chosen dive centre cuts down on early-morning walking or cycling before a dawn dive, which matters more than it sounds once you're doing it for several mornings in a row during a course.
A few practical logistics worth planning ahead
Pack reef-safe sunscreen, a light rash guard for sun protection in the water, and any prescription medication you might need, since pharmacy options on the smaller islands are limited. If you're planning a multi-day Open Water course, factor in that most centres need a completed medical questionnaire before your first confined-water session, so it's worth reviewing it in advance rather than on arrival. And because the islands run on boat schedules rather than roads, build a little slack into onward travel plans — a missed morning boat because of weather is a minor inconvenience if you've left room for it, a real problem if you haven't.
More things to do nearby
Not sure whether to try a dive or take a course?
Leave your email and roughly when you're travelling — we'll send a short rundown of how a Discover Scuba dive compares with an Open Water course, what you'll see on the Gili reefs, which of the three islands suits you, and the honest safety basics.