From Connolly Train Station train to Belfast Central station, train to Antrim, then taxi to Antrim. 3 h 31 min 59€. From The Gresham Hotel bus to Belfast Europa Bus Centre, bus to Antrim Bus Center, then line 121 bus to Antrim Cunningham Way. 4 h 34 min 32€. From Dublin drive to Antrim. 1 h 56 min 25€.