With apologies to those who asked for the links to the promised image and couldn't find it because it wasn't actually there, here are two links to images of Bondi Baths in Sydney, NSW, Australia, the saltwater pool that inspired the "Swimming With Kate" stories.
https://drive.google.com/file/d/1G3jPNp9vPnttXa7l_nPhwjqB0s8skkwT/view?usp=sharing
https://drive.google.com/file/d/159fSc5mcAkEEpS6htIWhzXYRNN0oZSr_/view?usp=sharing
Cheers,
bb