If you are traveling to Heraklion and need to rent a car contact Dimitris at http://autorentals-crete.gr/ or firstname.lastname@example.org
He is extremely nice and even picked us up from the airport at 23:45pm. He took care of everything and made the experience very easy. Do not rent from the big car rental places here, they charge way too much. For 140 Euro we had a car for 5 days with insurance and taxes. Who can do better than that?