After the Mekong, we made our way to Phu Quoc Island by ferry. We were able (with the usual vietnamese hassle) to bring our bikes on the ferry.
One of the most famous things to do on Phu Quoc is visited the fish sauce factories. One such fish sauce factory is Nuoc Mam Hung Thanh, the largest of Phu Quoc's fish-sauce makers. At first, these very big wooden barrels may make you think you're at a winery, but just breathe in to smell the amazing scent of fish sauce and you'll know otherwise. They actually let you drink some straight from a tap of the barrels, not the best think to take shots of.