Oh my gosh! I recently read an article about the owner of this site and it lead me to look into this niche a little deeper.
I found him discussion his success on a private members only board where he says he's bringing in over $8500 per month just from adsense alone with about 100,000 uniques per month.
He's discovered a goldmine niche that many of us have never thought of.
If my girlfriend didn't object to me running a similar site I'd jump in this niche asap!
Check his site out at
http://www.blackbeachweek.com