1. Take a ferry to this idyllic little black shack, smack-bang on Mackerel Beach. This little hideaway might only be a mile from the mainland, but once you arrive aboard the ‘Myra’ ferry from Palm Beach, you'll leave the city and all your worries behind. Relax and unwind on Mackerel's beautiful main sandy beach, or enjoy swimming or snorkelling right out the front of this little black cabin, with your own secluded stretch of sand.With two bedrooms and space for four guests, this original fisherman's cottage is the ultimate bush hideaway for friends, or romantic couple's retreat.Cost: From $600 per night. 2. Sleep amongst the trees in this Bundeena treehouse, just a stone's throw from Sydney's Royal National Park. Airbnb Located in Bundeena Village, this lush and leafy couples' retreat is adjacent to the Royal National Park — yep, that hallowed spot you've seen all over your Insta thanks to the Mermaid Rock Pools, Wedding Cake Rock and Wattamolla cliff jumping opportunities.With space for two guests, this studio apartment makes for the perfect base to explore all the sights, beaches, waterfalls and stunning walks of the area — or simply sit back on your private deck and enjoy water views and spectacular sunsets.Cost: From $190 per night. 3. Escape the ~big smog~ at this modern, secluded cabin with stunning bay views. Airbnb Situated in stunning Bayview, this sweet little spot will allow you to take in serene views of Pittwater and the Pacific Ocean, from both the inside and outside of this delightful cottage. Set in a quiet, natural environment, there are modern amenities for two people and complete privacy from the outside world. Sit back with a good book, a bottle of red and enjoy the uninterrupted company of your S.O. or BFF. Cost: From $225 per night. 4. Watch the summer storms roll in on the patio of this private and modern boatshed. Airbnb Wake up to sweeping views of Georges River in this unbeatable, one-bedroom, waterfront retreat. The wooden walls and overall ~nautical aesthetic~ make for a seriously charming getaway that's perfect for an end-of-summer hurrah. If you get sick of sunsets and picnics on the patio (you monster...), simply walk across Tom Uglys' Bridge to Carrs Park and pop into one of the many restaurants or shops in the area. Cost: From $139 per night. 5. Embrace your inner surfer with a stay at this coastal-chic beachfront apartment in Freshwater. Airbnb With enough room for six guests, you and your wannabe Bluewater High squad can soak up a few rays and ocean views from this sun-drenched balcony, before heading down to Freshie to catch some waves. The trendy space features oak floorboards, an updated kitchen with freestanding stove and throwback 1970s-style bathrooms. Perfect for family beach holidays, group getaways or corporate travel (if you've got a job with those kinda perks...). Cost: From $265 per night. 6. Gaze out across the Pacific Ocean in this luxury retreat in Vaucluse. Who needs a cruise ship when you can float above the ocean in this epic apartment that exudes a serious case of coastal luxury? Filled with gorgeous mid-century furniture, textiles, furnishings and books, as well as awe-inspiring views over the endless Pacific Ocean, this Airbnb makes for one of the best stays in Sydney. With unobstructed 180-degree views of the Pacific Ocean and dramatic sandstone cliffs, this one-bedroom apartment is the perfect romantic getaway for you and your loved one (hello, V-Day weekend escape?).Cost: From $375 per night. 7. Enjoy a bottle of wine from the comfort of your very own marine paradise, accessible only by boat. Airbnb Pull up in a water taxi to this peaceful waterfront cabin, dedicated to all things sun, sea, and sailing. Fresh nautical-inspired interiors bring the outdoors in, with a dual-aspect living room, your own private deepwater jetty and an expansive deck extending over the sea. This sweet cottage is located on a natural estuary, with beaches to its east, the Ku-ring-gai Chase National Park directly behind the cottage and waterside communities right on its shores.It sleeps up to 10 guests, so perfect for a big family staycation, or a celebratory weekend with friends. Cost: From $600 per night. 8. Breathe in the serenity at this lakeside studio in Narrabeen. Airbnb Listen for kookaburras from the terrace of this ~Instagram worthy~ property in a quiet location amid the gum trees. Set up for two, you're guaranteed a peaceful night thanks to the Jardan linen sheets and Wenatex orthopaedic bed — as well as unbeatable sunrise views over Narrabeen lake. If R&R just isn't your thing, you can also hire kayaks for the day and explore all the nooks and crannies along the lake.Cost: From $110 per night. 9. Pretend that you're exquisitely wealthy at this waterfront property in Pittwater. Airbnb Voted one of the best Airbnb properties by Qantas, this hot spot is the only property on the Northern Beaches to make this list — so it's well worth the trip out of the city for. Surrender to luxury in Sydney's prestigious Pittwater area, with a seriously lush in-ground swimming pool and water views. Sleeping just two guests, this private apartment offers guests the opportunity to take to their very own secluded beach for a swim, or just sit back and take in the views from the patio. Cost: From $280 per night. 10. Unwind at this relaxed, sun-filled getaway in Warriewood. Airbnb Sleeping up to four people, this apartment is serious #apartmentgoals, with loads of rattan furniture, tropic-inspired wallpaper and quirky touches throughout. Wake up in a bright, sun-drenched bedroom, followed by brekky and coffee on your own private deck. Located in North Narrabeen, this spot is ideally located just five minutes from the beach and tonnes of great cafes and restaurants. The cottage is a centrally located between both North Narrabeen Beach and Narrabeen Lake — with ample opportunities for walking, cycling, swimming and kayaking. Cost: From $275 per night. 11. Whale-watch at this peaceful, beachfront retreat on picturesque Whale Beach. Airbnb Watch the sun rise over the waves from every room of this divine beachfront escape. Dolphins and surfers provide the ultimate entertainment on-deck, but if you want to enjoy more than just the scenery, simply wander down the steps and right onto the shores of Whale Beach.With room for up to four guests, the property is close to an eclectic mix of shops and cafes in nearby Avalon. You could also make the most of the location with a seaplane ride, or head to Palm Beach for a taste of the famous Barrenjoey lighthouse walk. Cost: From $150 per night. 12. Snooze right on the water's edge at this sandstone house on Avalon Beach. Airbnb This modern, well-equipped and dreamy sandstone property is located right on the shores of Pittwater — with space for up to four people. Enjoy waking up to stunning water views from the mezzanine bedroom, then chow down on brekky in a luxe kitchen. If you get sick of swimming, try fishing off the jetty or simply relax in the sunshine watching the pelicans and boats go by.Don't fancy cooking? The in-house chef (yes, you read that right...) can create gourmet dinners for you at an additional fee. Cost: From $400 per night. 13. Watch the sunrise over Balmoral beach at this modern, coastal beauty. Airbnb Take in the magnificent views from the spacious terrace or enjoy the luxurious layout and amenities of the interior. Head off for an early morning or evening ocean swim from a chic apartment that is close to the water's edge.Cost: From $290 per night. 14. And finally, if you're terrifically flush with cash, consider this exceptional cliffside mansion near Coogee Beach. Airbnb / © Luxury Retreats This oceanfront villa is situated in South Coogee and was designed by the incredible architect, Renato D'Ettorre. The modernist gem enjoys expansive views of the Pacific Ocean from its living areas, rooftop terrace, and all five bedrooms (with room for up to 10 guests). The villa's unique design blends a modernist aesthetic with accents of natural wood and earthy red brick — the whole joint is a serious ~influencer's dream~. A luminous swimming pool invites you to a refreshing plunge under the sun or stars, while a dining table beckons you to barbecue meals in the gentle breeze. Ultimate summer goals. Cost: Price upon request (which means it ain't cheap).