Best Australian island getaways

Mainland Australia already has some of the best beaches on the planet, so it is easy to forget that the country also has over 8,000 islands scattered around its coastline. Most travellers only ever hear of two or three, which is a shame, because the range is enormous — tropical reef islands, wildlife-heavy southern islands, and a few that feel closer to a private nature reserve than a holiday destination.

I have spent time on most of the islands on this list, and each one has a distinctly different personality. This guide breaks them down so you can pick the right one for the kind of trip you actually want, rather than defaulting to whichever island shows up first in a search.

📋 TL;DR — the quick version

• 🐨 Kangaroo Island, SA: Wildlife-dense and rugged, with kangaroos, sea lions, and koalas all in the wild.
• 🏝️ Whitsunday Islands, QLD: The classic tropical reef sailing trip, with Whitehaven Beach as the headline act.
• 🌴 Fraser Island (K’gari), QLD: The world’s largest sand island, with rainforest, dingoes, and freshwater lakes.
• 🦘 Rottnest Island, WA: Home to the quokka, plus some of Perth’s best beaches without the crowds.
• 🏔️ Bruny Island, TAS: A food-focused island escape near Hobart, best known for cheese and oysters.
• 🚫 Skip renting a car everywhere: Several of these islands are better explored by bike, golf buggy, or guided tour.

🐨 Kangaroo Island, South Australia

Kangaroo Island is Australia’s third-largest island and arguably its best for wildlife. Sea lions haul out on the beach at Seal Bay close enough to watch without a fence in the way, and koalas and kangaroos are genuinely common rather than a lucky sighting.

Parts of the island were badly burned in the 2020 bushfires, but the regrowth since has been remarkable, and most of the major wildlife sites and attractions have fully recovered.

🚗 Getting around

• Ferry from Cape Jervis: The most common way over, roughly a 45-minute crossing.
• Hire a car once there: Distances between attractions are large and public transport is minimal.
• Give it two full days minimum: The island is bigger than most people expect, closer in size to Bali than a quick day-trip destination.

👉 Book a Kangaroo Island Wildlife Tour on GetYourGuide →

🏝️ Whitsunday Islands, Queensland

This is the postcard version of an Australian island holiday: 74 islands scattered across turquoise water, most of them uninhabited, with Whitehaven Beach’s blindingly white silica sand as the centrepiece.

Multi-day sailing trips are the best way to experience the group properly, letting you wake up in a different bay each morning. Airlie Beach is the main jump-off point and has enough restaurants and bars to fill an evening before or after a trip.

🌴 Fraser Island (K’gari), Queensland

The world’s largest sand island is unlike anywhere else on this list. Rainforest grows directly out of the dunes, freshwater lakes sit impossibly clear against the sand, and wild dingoes roam freely, which means visitors need to take food security seriously.

4WD access only, either self-drive with proper vehicle experience or a guided tour, since regular vehicles cannot handle the sand tracks.

👉 Book a Fraser Island 4WD Tour on GetYourGuide →

🦘 Rottnest Island, Western Australia

A 30-minute ferry from Perth or Fremantle, Rottnest has become internationally famous for one thing above all: the quokka, a small, permanently smiling marsupial that will happily wander up for a photo.

Beyond the quokka selfies, the island has some genuinely excellent beaches with far fewer crowds than mainland Perth, and the best way to explore is by bike — cars are largely banned for visitors, which keeps the whole island calm and quiet.

🏔️ Bruny Island, Tasmania

Less about beaches and more about food, Bruny Island is an easy day trip from Hobart that has become a genuine culinary destination in its own right.

1. Get Shucked oyster farm. Oysters shucked to order, eaten standing at a picnic table by the water.
2. Bruny Island Cheese Co. A working dairy with tastings of some of Tasmania’s best cheese.
3. South Bruny National Park. Rugged coastal walks with sweeping views back towards the mainland.
4. Adventure Bay. A calm, family-friendly beach at the island’s southern end, good for a swim after a day of eating.

🗺️ Quick picks for other trip styles

A few more islands worth knowing about, depending on what you are after.

• 🤿 Lady Elliot Island, QLD: A coral cay at the southern tip of the Great Barrier Reef, ideal for snorkelling straight off the beach.
• 🏄 Stradbroke Island, QLD: A laid-back surf island close to Brisbane, popular for whale watching in season.
• 🍷 King Island, TAS: Known for dairy, whisky, and a rugged, uncrowded coastline.
• 🐢 Lizard Island, QLD: A high-end, remote resort island popular with honeymooners and divers.

💡 Choosing the right island for you

If wildlife is the priority, Kangaroo Island wins easily. If it is classic tropical scenery, the Whitsundays are unbeatable. For something wilder and less developed, Fraser Island delivers, while Rottnest is the easiest and most accessible for a quick weekend. Bruny Island suits travellers who plan a holiday around what they are going to eat as much as what they are going to see.

None of them require flying internationally, and most are reachable by a short ferry or a domestic flight — which makes an island escape one of the easiest ways to add real variety to an Australian trip without adding much travel time.