No One Knows for Sure
Obviously, it's hard to tell if a story like this is fake or not. A lot of their tales don't add up or were exaggerated... Their GoFundMe account, which had a goal of $50,000, never made it past $40. It seemed that others didn't believe their stint.
Take Care with Sailing
Whether their story was fake or not, the moral of their story and Harrison's is to always take care when sailing. You never know what you're going to run into.