Half these “free things to do in Sydney” lists are clearly written by someone who’s never actually had to drag a toddler round the places on them. Not this one. Everywhere here is somewhere we’ve actually taken the kids, more than once, so you’re getting real prices where there are any, where you’ll actually get a park, and which bits are worth the trip and which you can skip guilt-free.
Spring holidays are Monday 28 September to Friday 9 October 2026 (double check the full NSW term dates if you’re planning further ahead). Good timing for most of this list too — warm enough for the gardens and the beach, but before it turns into a summer zoo.
Jump to: Parks & Gardens · One That’s Not Actually Free · Libraries Worth a Rainy Day · Free Museums · Playgrounds & Water Play · FAQ
The Royal Botanic Garden
Mrs Macquaries Rd, Sydney NSW 2000 · Free · Budget 2–3 hours
Right next to the Opera House, maybe a ten minute walk from Circular Quay. There’s no real signage telling you where one bit ends and the next starts, you just wander from the ferns into the water lilies, then the palms, then the succulent garden — which is honestly the one that gets us every time. No idea why, but the kids will stand there staring at the same spiky little pots for ages. There’s a small rainforest patch near the eastern side that asks for a gold coin donation on the way in, cash or card, easy enough to skip if you’re not fussed.
Two spots we always end up at anyway:
Mrs Macquarie’s Chair, which is the photo everybody’s after — Opera House and the bridge in the one shot. Go in the afternoon, the light’s better than the morning for some reason we’ve never figured out.
Palm Grove is just a long stretch of tall palms, looks like something off a film set. Kids love bolting down the middle of it, and it photographs well, that’s basically the whole appeal.
We try to go before 10 or after 3, mainly to avoid the heat, though the light happens to be nicer then too. Take something to sit on, let the kids run around on the grass, watch the water for a bit. Doesn’t sound like much when you write it down like that but it’s a better spot than the description makes it out to be.
Centennial Park
Grand Dr, Centennial Park NSW 2021 · Free · Roughly 5am to dusk, varies by season
Opened in 1898 for Federation, and it’s a lot bigger than you’d think — 189 hectares, a figure that meant nothing to me until I tried walking across the thing. Free parking around the edges but it goes quick on weekends, so get there early if you’ve got a spot in mind, otherwise just catch a bus.
Things we actually do here, as opposed to what you’re supposedly meant to do:
Picnic on the lawn. There is an unreasonable amount of grass.
Ride round the lake, good if the kids are still learning, and there’s bikes for hire at the gate including the four-wheeled family ones if you didn’t bring your own.
Feed the ducks and swans at Duck Pond with oats, not bread. Everyone ends up here at some point regardless of where they started.
There’s kids’ horse riding too if you book ahead. We’ve only done it once but it made the whole thing feel like more of an event than a normal park visit. And if your kids are five or over, Bush School runs outdoor nature sessions — half learning, half just being outside, which is really all it needs to be.
Buses 339 and 374 both go straight there if parking sounds like more trouble than it’s worth.
One That’s Not Actually Free
Chinese Garden of Friendship
Next to Darling Harbour · Adults $12, students $8 · 10am–5pm daily
I want to say this plainly, because it keeps showing up on other “free things to do” lists and it simply isn’t free. There’s a real ticket price at the gate. That said, once you’re inside it’s a completely different pace from everything just outside it. Koi ponds, lotus flowers, far more quiet than you’d expect given what’s happening on the other side of the fence. There’s a tea house if anyone needs to sit down halfway through, and every so often something’s on — Lunar New Year events mostly, occasionally a performance.
Go on a sunny day if you can manage it — the light on the water and rooftops is really the whole point of the place. One small thing worth flagging: there are quite a few skinks around, harmless but quick, so if you’ve got a toddler who chases things, a quick word before you arrive isn’t a bad idea. An hour or two is enough to see it properly.
Libraries Worth a Rainy Day
Libraries don’t get nearly enough credit as a free activity with kids in Sydney. A few of these are much more than a quiet room full of books, and none of them require a card just to walk in — we’ve also rounded up some of the most beautiful libraries in Sydney if you want more options beyond this list.
- Marrickville Library and Pavilion — worth the trip for the building alone. Timber everywhere, high triangular ceilings, the same shape echoed right down into the signage. There’s a café, and enough variety in seating that everyone finds their own corner — reading chairs, lounges, desks by the window, quiet nooks for anyone with headphones on.
- Woollahra Library, Double Bay — there’s an actual slide in here, right next to the kids’ books, so it doubles as a play space as much as a library. Best avoided in the after-school rush, since it gets busy fast.
- Balmain Library, Thames St — small, a little old-fashioned, and works well paired with a wander around Balmain’s back streets. There’s two hours of free parking at the Woolworths Metro on the same street; spots can be tight on weekends, but something usually turns up. While you’re in the area, the colourful cottages at Waterview Wharf make a nice photo stop (quieter on weekends when the workshops are shut), and Ballast Point Lookout has free parking and a solid harbour view if you’re up for more walking.
- Castle Hill Library — this is the one we head to when the weather’s genuinely bad. A big kids’ section with shelves low enough for younger ones to grab their own books, plus a small café on site. Parking’s underneath the building, and Castle Towers is right next door as a backup plan. Hours: Mon–Fri 9:30am–8pm, Sat 9:30am–5pm, Sun 1pm–5pm.
Free Museums
These two won’t cost you anything, but if you’ve got a museum-mad kid, our guide to the best museums in Sydney covers the paid ones too, like the Powerhouse and the Maritime Museum.
Australian Museum
10am–5pm daily, Wednesdays till 9pm, open year-round except Christmas Day
This was Australia’s first museum, and it can genuinely eat up a whole day. A handful of the permanent galleries cost nothing to visit:
- Surviving Australia — the country’s wildlife and ecosystems
- First Nations: Garrigarrang — Aboriginal saltwater culture and history
- Minerals Gallery — opal, amethyst, and other specimens under glass
- Wild Planet — dinosaur skeletons and taxidermy, and usually the bit the kids are still talking about on the way home
The Rocks Discovery Museum
2–8 Kendall Lane, The Rocks NSW 2000 · Free, no booking
Tucked into a laneway off the main Rocks strip, and quieter than pretty much everything around it. It’s housed in a restored 1844 sandstone warehouse, with a glass walkway over excavated colonial-era foundations that gets a reaction the first time anyone looks down through it. Four sections trace Sydney’s history — Warrane, covering Gadigal life before colonisation, then Colony, Port, and Transformation. There are old-style handsets playing period audio and a touchscreen that simulates an archaeological dig. It’s five minutes from Circular Quay, right next to the MCA, so it slots easily into a harbour walk if you’re already out that way.
Playgrounds & Water Play Worth a Detour
If you’re stringing a longer day together around anything above, these are worth the extra ten minutes:
- Blaxland Riverside Park, Sydney Olympic Park — one of the bigger outdoor water play areas in NSW, a great call on a hot day
- Darling Quarter — close enough to the Chinese Garden that you can easily do both on foot
- Prince Alfred Park, near Central — a splash area that runs through the warmer months
All free, open roughly dawn to dusk, with toilets and change rooms at each one. If it’s raining and none of that’s going to happen, our list of kid-friendly restaurants with playgrounds in Sydney is a decent backup.
A Day Out That Costs Almost Nothing
Morning at the Royal Botanic Garden, a picnic on the lawn, the obligatory photo at Mrs Macquarie’s Chair. Then a walk to The Rocks Discovery Museum — about 20 minutes along the harbour, or a bus if the kids have had enough walking by then. Afternoon at Darling Harbour, a stop at the Darling Quarter playground, and the Chinese Garden if there’s room in the budget.
Opal fares cap out daily, so if you’re moving between a few suburbs, public transport usually ends up cheaper than paying for parking more than once.
Frequently Asked Questions
Sunday 28 September to Friday 9 October 2026.
Castle Hill Library and Marrickville Library and Pavilion are both solid picks when the weather turns. Spacious, indoors, café on site, enough to fill a few hours without anyone getting restless.
No. Walking in and using the play areas, reading spaces and cafés doesn’t cost anything. You only need a card to borrow things and take them home.
No — $12 for adults, $8 for students. Worth doing if you’re already at Darling Harbour, but don’t turn up expecting free entry just because it’s landed on someone’s list.
The Royal Botanic Garden, Centennial Park, a few libraries (Woollahra’s the one with the slide), and the free galleries at the Australian Museum and The Rocks Discovery Museum.
Looking for more ideas beyond this list? Browse our full things to do directory, searchable by suburb and category, or see our broader roundup of school holiday activities in Sydney.