Dolphins are known to follow boats back to Whyalla's marina so spotting one doesn't take much of a trick. There are seals in the area too. The redeveloped local foreshore offers recreational facilities and if you've a nautical bent you can also see and tour the navy's former World War 2-era corvette, HMAS Whyalla.
Tours of Whyalla's 1000-hectare steelworks site can also be arranged through the visitor center and give you an insight into more than 100 years of Australian iron and steelmaking history and contemporary practices. Flights to Whyalla can be booked through Flight Center.