Stopping outside the council a group of young men were led in a haka, before they continued along Lyndon Rd East and returned to Civic Square.
Carrying a home-made sign, Te Wheturere Ferris had been marching with friends.
The 16-year-old said: "I'm passionate about my country, and my whanau. When that gets signed its going to make that stand for nothing.
"I'm trying to set an example for other teenagers to get out there and have their say before it's too late."
At Civic Square a family-friendly rally continued with protest chants, while a mass petition was signed.
After a mass "flash-mob" haka around the Civic Square the crowd began to disperse.
Paula Savae Teiwimate, from Pakipaki, said she marched because she did not think the TPP benefited New Zealanders at all.
"There is the glimmer of hope that they can't do things straight away, they have to wait."
Although the agreement has been signed, member countries have two years to pass legislation and ratify the deal.