Best Australian Islands for a Honeymoon

Australia doesn’t get talked about as a honeymoon destination anywhere near as much as it should. Everyone thinks Bali, the Maldives, maybe Fiji, and completely overlooks the fact that Australia has its own scattered collection of genuinely stunning islands, ranging from private luxury resorts to wild, barely-developed national parks you can have almost entirely to yourselves.

What makes Australian islands particularly good for a honeymoon is the range. You can go full luxury with a private plunge pool and butler service, or go rustic and remote with nothing but a few dozen other guests and some of the best snorkelling on the planet right off the beach. Either way, you’re not choosing between “nice beach” and “interesting” the way you sometimes are elsewhere. Australia’s islands tend to deliver both.

Here’s a rundown of the best options, sorted roughly by the kind of honeymoon mood you’re going for.

📋 TL;DR — the quick version

• 💎 Hamilton Island, Queensland: the most polished, resort-heavy option in the Whitsundays, with a genuine range of accommodation tiers.
• 🐠 Lizard Island, Queensland: ultra-luxury and remote, with some of the best access to the outer Great Barrier Reef anywhere in the country.
• 🏝️ Rottnest Island, Western Australia: low-key and relaxed, famous for quokkas and a completely different vibe to the tropical east coast islands.
• 🌊 Lord Howe Island, New South Wales: tightly capped visitor numbers and no traffic lights or high-rise anything, genuinely feels like stepping back in time.
• 🦘 Kangaroo Island, South Australia: less about the beach, more about wildlife and food, a strong pick for couples who want nature over resort poolside service.
• 💰 Prices span a huge range: from budget-friendly island getaways to some of the most expensive resort stays in the country.

💎 Hamilton Island, Queensland

Hamilton Island is the most obviously “honeymoon” of the Whitsunday islands, and for good reason. It’s got a proper range of accommodation, from reasonably priced apartments up to the adults-only qualia resort, widely considered one of the best luxury properties in the country, all set against turquoise water and easy access to Whitehaven Beach, one of the most photographed beaches in Australia.

It’s also genuinely easy to get to, with direct flights landing right on the island, which matters more than people expect on a honeymoon. Nobody wants to spend the first two days of their trip stuck in transit.

👉 Book a Whitehaven Beach and Whitsundays Tour on GetYourGuide →

🐠 Lizard Island, Queensland

If budget genuinely isn’t a limiting factor, Lizard Island is close to the top tier of what Australia offers. It’s remote, only reachable by small plane, and that isolation is exactly the point. The resort here is small, the beaches feel private even when they’re not, and the snorkelling and diving access to the outer Great Barrier Reef is some of the best available anywhere on the reef system.

This is the choice for couples who want total quiet, exceptional food, and a level of exclusivity that a more accessible island simply can’t offer. It comes at a genuinely premium price point, but for a once-in-a-lifetime trip, it delivers on the promise.

🏝️ Rottnest Island, Western Australia

A very different flavour of island honeymoon. Rottnest, just off the coast from Perth, is low-key, car-free, and explored mostly by bike, which gives the whole visit a slower, more playful energy than a formal resort stay. It’s also home to quokkas, the famously photogenic, permanently smiling little marsupials found almost nowhere else, which have turned the island into something of a social media phenomenon.

Rottnest suits couples who’d rather spend their honeymoon cycling between hidden bays and snorkelling spots than lounging by an infinity pool. It’s also considerably more affordable than the Queensland island resorts, which matters if the wedding budget has already taken a hit.

🚲 Getting around without a car

Private vehicles aren’t allowed on Rottnest, so bike hire is the default way to explore, with a shuttle bus as a backup option for longer distances or hotter days. It sounds like a limitation, but it ends up being one of the island’s biggest charms, there’s no traffic noise, no car parks to navigate, just quiet paths between beaches.

🌊 Lord Howe Island, New South Wales

Lord Howe caps visitor numbers at around 400 people at any one time, which keeps the island feeling genuinely untouched. There are no traffic lights, no high-rise buildings, and mobile reception is limited, which for a honeymoon is arguably a feature rather than a drawback.

The island combines lush green mountains, a genuinely spectacular lagoon protected by the southernmost coral reef in the world, and a small, tight-knit accommodation scene that leans boutique rather than big-resort. It’s not the cheapest option, and getting there involves a small plane from Sydney or Brisbane, but the payoff is a level of untouched calm that’s genuinely hard to find anywhere else in Australia.

🦘 Kangaroo Island, South Australia

Kangaroo Island is less about postcard beaches and more about wildlife, food and a rugged, dramatic coastline. Couples who’d rather spend their honeymoon spotting koalas, sea lions and echidnas in the wild, then eating exceptional local produce over dinner, tend to fall hard for this one.

It’s also a strong choice for a honeymoon that combines relaxation with genuine adventure. Beyond the wildlife encounters, there are dramatic clifftop walks, a handful of excellent boutique lodges, and a growing food and wine scene built around the island’s own produce.

1. Seal Bay. One of the few places in the world where you can walk among a wild sea lion colony on the beach, under close ranger supervision.
2. Flinders Chase National Park. Home to the dramatic Remarkable Rocks and Admirals Arch, two of the island’s most photographed natural features.
3. Local providore trails. A self-guided tasting route across the island’s honey, cheese, gin and wine producers, easily stretched across a full day.

👉 Book a Kangaroo Island Wildlife Tour on GetYourGuide →

💰 Choosing based on budget and vibe

If money is genuinely no object and total exclusivity is the goal, Lizard Island or Lord Howe are the strongest picks. If you want a reliable, well-connected resort experience with options across a few price tiers, Hamilton Island is hard to beat. If your honeymoon vision leans more toward wildlife, food and a slower, less curated pace, Kangaroo Island or Rottnest are the better fit, and both are considerably kinder to a post-wedding budget.

Whichever island you choose, book well ahead. The best rooms on every one of these islands, particularly the smaller luxury properties, get snapped up months in advance during peak wedding and honeymoon season.