Great way to miss facts by only listening to Si8nt. Let's make this clear. The Flood Myth is older than the hebrew and abahamic god. ie the Flood Myth is not Noah.
http://www.historywiz.com/primarysources/sumerianflood.html
In the region we are speaking. The flood myth is Sumerian. Which means a couple things. It's pre a Bible story. It's pre old testament and finally. It's during a time where it's God's as in plural.
Was there a flood. Very likely. Apparently they have found sea shells on mountains. This would certainly indicate an increase in the ocean level. However it should be noted that the scientific theory is that the myth spawned in cultures all over world because of the sea shells found on the mountains. If you find a piece of evidence like that. You certainly are going to think of of a flood.
I'm not going to stomp on your flood myth. I am however a believer in don't give credit to the wrong source. This is a case where the Bible is taking the story from old Hebrew testaments and it's more than likely they got their from Sumeria.
Yes there are flooded stone structures. That's pretty much proven fact. The also indicated that the ocean level was lower at one point during civilization.
Where the flood myth goes wrong however is another problem. Regardless how man came about. It's know that inbreeding causes birth defects over a period of time. Many of these flood mythes don't support a diversity of people. Usually less than a dozen. Where as a larger genetic pool is required. Noah and the other legends could not have adequate repopulated the Earth with just them. If the flood myth is true. Then likely there were large groups of people that survived and the stories are exactly that. Stories to make it more exciting.
The reason I know this useless knowledge. Simple. I've been putting together an RPG about the paranormal and mythological. Over the last year I've come across some weird mass culture stuff. This is certainly one of them. At the same time though it's also lead me down the path that this story. Isn't Biblical in origin.
I admit to loving S8int.com, but they do skew current information towards the bible and ignore prior historical fact. Great source of unusual stuff. Just remember.
Do your own research
Never assume that a single source is right
Everyone is biased.
Again "DO YOUR OWN RESEARCH"