ARC Aquariums

Last updated February 2026

**ARC Aquariums** invites your family to dive into an enchanting underwater world, right in the heart of Hornsby. Wander through vibrant coral reefs, meet mesmerizing sea creatures, and learn about the wonders of marine life in this spacious, pram-friendly indoor aquarium. **What to Bring** - Comfortable walking shoes - A reusable water bottle to stay hydrated - Your camera to capture magical moments **Best Age Range** All ages, but most engaging for children aged 3 to 12. **Good to Know** ARC Aquariums is open daily from 9:30 am to 5:00 pm, with last entry at 4:00 pm. The aquarium is stroller-friendly, and there are plenty of benches for little legs to rest. Don't forget to check out the interactive touch pools for a hands-on experience! **Nearby** - **Berrys Creek Reserve**: A lovely spot for a picnic and a short bushwalk. - **Hornsby Park**: Offers vast open spaces, playgrounds, and a lovely lake for a scenic stroll. - **Hornsby Westfield**: A convenient shopping centre for meals and retail therapy. **Tips From Other Parents** - "Arrive early to beat the crowds and give your kids plenty of time to explore," says Sarah, mum of two. - "Combine your visit with a trip to the nearby Hornsby Ku-ring-gai Chase National Park for a full day of fun," recommends David, dad of three.