Gotta agree with flip here... I do it alone often and sometimes I've been a bit buzzed...more often sober in the morning ...... I agree with the fact that this was more than likely an accident... At the end of the day, it is about personal responsibility... Like many of us, I'm an experienced snorkler and I can judge the water... Many can't.. To the newcomers I strongly suggest heeding the advice of much of the above and tell someone... Personally, I like to go it alone and there is always someone who knows... Gotta tip someone to watch the cellphone and wallet!