"Swim towards the cliffs, stay within a few metres of the coastline, and we'll meet at the natural archway above the sea, about a kilometre along. It's beautiful - you can't miss it ... Over three ...

Seaweed group Sea Forest, which counts investment giant Macquarie, billionaire Peter Gunn and entrepreneur Zoe Foster Blake and her husband Hamish among its backers, has signed a deal with Japanese ...