Quote Originally Posted by Rym View Post
What is actually the reason that you are unable to sail around the Iberian paeninsula?
To stop Mediterranean vessels, which are not seaworthy enough to be able to cope with the Atlantic Ocean, sailing into waters they couldn't historically have survived in.

Plus the Carthaginians ran a blockade of the Pillars of Hercules (with squadrons based out of Gader), to prevent anyone breaking their monopoly on the tin trade with Britain.