All visitors beyond this point must produce a passport. Beware there are no regulations but for those who dare, there is a free for all bonanza guaranteed. However, you do so at your own risk, no one takes responsibility for thousands of oyster trestles, hidden sewer pipes, chemicals and other foreign objects.
Please note submarines have right of way.
Enda Craig on BBC Radio Foyle's The Mark Peterson Show discussing the ownership of Lough Foyle