Public transportation is widely available in Sydney, including buses, trains, and ferries. The cost of a single trip during peak hours is around $3 CAD, while a full-day pass is $15 CAD.
If you have more time, you can explore other parks around Sydney like the Cockatoo Island or the Royal National Park. If you have less time, consider taking a half-day trip to the Featherdale Wildlife Park to see various animals native to Australia.
Sydney's main airport is Sydney Kingsford Smith International Airport (SYD), located about 10 kilometers from the city center.