pandora.com you pick a style, then it plays songs for you in that style. then you can ok or deny any individual song, and it picks or doesn't pick more songs based on your likes and dislikes and it's free and it streams
This is a guy I know who has an online station..... Have not listened to it in a few months though so not sure what all he has going on with it now! http://www.carolinasounds.com/
Try these 2 links at www.live365.com. I love this site. http://www.live365.com/cgi-bin/directory.cgi?site=..&searchdesc=beach&searchgenre=All&x=9&y=9 http://www.live365.com/cgi-bin/directory.cgi?site=..&searchdesc=shag&searchgenre=All