Walk out of the airport, to the road, look for bus stop, catch bus to heraklion, every 10mins, 2euro. Get off at Platia Eleftherias, Walk down Dedhalou toPlatia Venezelou, down 25augustou, turn right for bus station, catch bus for Rethymnon,every 30 mins. Leave Reth bus station, follow sea on left, after castle turn into old town. Sugest meet ar Rimondi fountain