Waitaria Bay is a locality in the Marlborough region of New Zealand. It lies on the northern side of Kenepuru Sound in the Marlborough Sounds.The town is one of the most isolated in mainland New Zealand to have a school. The nearest shop is about 50 minutes drive, the nearest small town, Havelock, is two hours drive, and the nearest main centre, Blenheim, is two and a half hours drive.