I ve done it in Turkey in 2010. It was awesome, not as frightful as you would think and an amazing experience. Even if you don’t know how to swim there is no problem although if you have tremendous fear of deep waters or you get scared just to think that there is the chance water might get inside those underwater glasses, don’t do it. I, for one, almost drawn a couple of years back even if I’m a fairly good swimmer and before I got underwater I had a couple of doubts if I should continue on not but I calmed myself down and it was totally worth it. Seeing all sorts of fishes and even feeding them, staying so much time under water is absolutely beautiful and I would definitely do it again! 1 month ago