Regular train from [wiki=f734a2c8864a183568195a6670c7a6ef]Trapani[/wiki] and [wiki=8191692ba6c002b14b07549113e62125]Palermo[/wiki], the station is about 2 Km from the centre.
Regular bus from Palermo, 5 per day excluding Sunday which is not so frequent and Trapani, 2 per day. Russo also has buses leaving to Scopello 5 times a day from the bus stop.
Look for flights to [wiki=8191692ba6c002b14b07549113e62125]Palermo[/wiki] or [wiki=f734a2c8864a183568195a6670c7a6ef]Trapani[/wiki](Birgi). You can find low cost flights, e.g. Ryanair, then you can rent a car to get Castellammare del Golfo.