In the heart of Marlborough's wine growing area lies Old Saint Mary's Convent -- a haven for the discerning traveller, where luxury 5 star Blenheim accommodation and an intimate retreat may be found. Experience the best Marlborough accommodation on offer - luxury rooms and stunning surroundings in Marlborough, New Zealand. Old Saint Mary's Convent is situated on an estate of 60 acres and surrounded on all sides by the vineyards and olive groves Marlborough is famous for. 5 star accommodation in Blenheim, Marlborough, New Zealand.