You can see the video for the Alan Jackson and Buffett duet at CMT.com. You need Windows Media 9 or Real Player to watch it.
http://www.cmt.com/av/fulllength.streaming.jhtml
The bar that’s in the video is Castaways Marina in Juniper FL according to an article in the Palm Beach Post.
Vote for the new video: “It’s Five O’Clock Somewhere” by Alan Jackson With Jimmy Buffett at Country Music Television (CMT)
http://www.cmt.com/cmt/request/mwl.vote.jhtml