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.

[1][2] The town is one of the most isolated in the South Island 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.

[3][4] Waitaria Bay School is a coeducational full primary (years 1-8) school with a decile rating of 10 and a roll of 20.