The Sanctuary at Marion Bay sits on a stretch of idyllic coastline at the foot of South Australia’s Yorke Peninsula. It’s a private retreat “designed exclusively for couples seeking space, seclusion, and a luxurious connection to nature”. Only minutes from Dhilba Guuranda-Innes National Park - and with room for more than two - there’s nothing quite like it. But to understand The Sanctuary, you need to understand how it came to exist at all. Tiffany was three when she fell in

Live in the sunshine, swim the sea, drink the wild air. The words hang in the hallway of Sarah and Nick’s home in Adelaide’s south. It’s...