Thousands of pro-Palestinian protesters clogged the road and footpaths down Auckland's Queen Street on Saturday afternoon.
Organisers told Newshub the march attracted at least 5000 supporters speaking out against civilian casualties as a result of the conflict.
A small group of Israel supporters showed up too. A brief shouting match between the two groups was the only moment of disagreement in an otherwise peaceful march.
Organisers say more marches are likely in Auckland if the Israeli offensive intensifies.
