How to get there
You can reach Sestri Levante by flying through both Genoa and Pisa airports.
Fom Genoa airport you can take a bus shuttle which will bring you directly to the train station. Then took a train to Sestri and then from the train station to go to the Grand Hotel Villa Balbi where the Crea reception desk is, it is 10mn walk.
Same from Pisa Airport.
You can fly too to Milan airports (both Linate and Malpensa) then take a bus shuttle to Milano stazione Centrale and then a train to Sestri Levante.(about 2 hours and 1/2)