Australia is surrounded by water and amazing beaches.  Here are some of the most popular beaches: Bondi Beach, Byron Bay Beach, Mandalay Beach, Wineglass Bay, Noosa Main Beach, Cable Beach, Northern Beaches, etc.  Most Australians, from kids to adults, enjoy different water sports from swimming to snorkelling.  There is definitely a special connection between the ocean and Aussie people.
Book budget accommodation Sydney and explore the most popular water sports!  It is true that surfing is one of the most iconic outdoor sports in Australia.  If you decide to spend some time in Manly (the city of surfing), you will have the chance to try even more water sports like diving, snorkelling, sailing, windsurfing, kite surfing, canoeing and kayaking.
It is great to know that surfing is possible all around Australia, apart from the northern coast where you can find a lot of jellyfish and saltwater crocodiles.
When it comes to diving, you will fall in love with the clear water and coral reefs of Australia.  Keep in mind that the most famous place to dive is on the Great Barrier Reef near Cairns.  You can also explore the diving spots near Melbourne and Sydney.