hmm this seems like it would be a fun race to do...
did some research.
http://maps.google.com/maps?f=q&hl=en&q=east+ship+island&sll=37.0625,-95.677068&sspn=31.839416,82.265625&ie=UTF8&ll=30.234154,-88.927116&spn=0.542221,1.2854&z=10&om=1