Carraig Lodge Castlerock
It can be seen on the location map (below), that there are Translink Bus Stops on Sea Road, Castlerock at the Belvedere Park turn off.
Castlerock Railway Station is a short walk along Sea Road. The line north leads to Derry/Londonderry, following a very scenic route, and south to Belfast (from where it is possible to travel by rail to Dublin).
Carraig Lodge Castlerock is located in Belvedere Park, just off Sea Road, Castlerock. The front of Carraig Lodge (turquoise door) will be facing you at the top of the first T-junction when you turn into Belvedere Park. Turn left and immediate right at the T-junction to access the driveway. Park in front of the garage and you can use the door at the side of Carraig Lodge which leads into the utility room.