Dive Milne Bay: The Ultimate Papua New Guinea AdventureWhen Don Silcock first visited Papua New Guinea, he wanted to dive Milne Bay. In essence, the ultimate Milne Bay adventure! Understanding that distinction is the key to planning when you want to dive Milne Bay. Reefs of Linden HarborWhy is it special to dive Milne Bay? Of those six countries, only Papua New Guinea is touched by all of the principal currents and Milne Bay sits at the epicentre of that extraordinary biodiversity.