Greenpeace climate campaigner Steve Abel likened the clash to David Vs Goliath. "We all know who won that," he said.
"This is an inspiring example of courageous kiwis doing their bit to stand up against deep-sea oil exploration around New Zealand and the dangers risky fossil fuel extraction poses to our oceans, coastlines and way of life. New Zealanders do not want a fossil fuel future. A clean economy is the way forward," said Abel.
Earlier this year, the Government announced a new law to ban aspects of protesting at sea. Now known as the 'Anadarko Amendment', it states 'that it is illegal to interfere with any structure or ship that is in an offshore area that is to be used in mining activities, with an exclusion zone of 500 meters.'
"New Zealanders have a right to have their say and we will not let a ban on protest at sea stop us. Protest is a democratic right and we will be upholding that right," said Abel.
Deputy Mayor Penny Hulse was on hand to farewell the protestors. "Thank you for protecting our right to protest," she said. "Be safe, protest loudly and keep our beautiful marine environment safe."
Bunny McDiarmid, executive director for Greenpeace New Zealand, said: "We are so lucky in this country to be able to decide what sort of energy development we do, and we are so stupid to be going down this path."
McDiarmid will join the protestors at sea in a week's time, along with former Green Party leader Jeanette Fitzsimons.