From the airport
Train:take a train (IntercityDirect) to Rotterdam Central Station, which will take about 45 minutes. It costs 14,70€.
Taxi: It's a 45 minute trip and is around 150€.
From Rotterdam Airport:
Bus: take bus line 33 towards Rotterdam Central Station. Once you reach Rotterdam Central Station you can travel to the hotel by underground, by tram or by foot. By underground: get on the underground from the train station in direction Spijkenisse/Slinge. Get off at the second stop (Beurs) and leave through the Beurspleinm exit. By tram, get on line 3 or line 20 and get out at the stop opposite the department store Bijenkorf on the Coolsingel. By foot you can reach the hotel in 10 minutes.
Taxi: It's a 20 minute trip and is around 25€.