Australia may be massive, but little Hayman Island holds its own Down Under, with its perfect sands, turquoise seas and this luxe hotel.

There's nothing here except sumptuous suites, great food, kookaburras and cockatoos, rock-wallabies and passing whales - and a few other blissed-out couples. The island has long been a renowned resort, but now, under its new One&Only management, a multi-million-pound renovation has it sparkling brighter than ever atop its coral-fringed reef.

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Rooms range from plush poolside suites, via spacious beach villas with private pools, to the ultra-glam Diane von Furstenberg-designed Penthouse. The rejuvenated spa, with beauty salon and state-of-the-art fitness centre, is there if you want it, but it's the outdoor activities that really rock. Snorkel for hours off Blue Pearl Bay, and come face to face with princess parrotfish, giant Maori wrasse, surgeonfish and butterflyfish. Tread the endless fine sands near the hotel, and wander through gumtrees alight with butterflies. Swim off Langford Island and spot turtles in the transparent waters. And what better end to your day than dining on freshly caught yellowfin tuna by candlelight.

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WOW FACTOR Take a scenic helicopter ride to nearby Whitehaven Beach for a champagne picnic on the deserted white shore, and keep your eyes peeled for the schools of dolphins.

GO Cox & Kings www.coxandkings.co.uk offers five nights from £1,110 per person, B&B. Includes flights from Sydney and all transfers

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