Road access to Ballycastle House is both scenic and simple. Take the A20 South from Newtownards Town towards Greyabbey, for approximately 4 miles, pass the Sailing Club on the right and take the next road on the left, this is the Mountstewart Road. Ballycastle House and "Beech Cottage" are sign posted a further 0.3 miles on the left-hand side of Mountstewart Road. From Portaferry take the A20 North to Newtownards, approximately 14.5 miles turn right on to Mountstewart Road. Ballycastle House is sign posted 0.3 miles on the left-hand side. Grid Reference J 545 712
