Every Nationality can apply for NZeTA if coming by Cruise Ship.
People who do not require a New Zealand Visa i.e. formerly Visa Free nationals, are required to obtain New Zealand Electronic Travel Authorization (NZeTA) in order to enter New Zealand.
It is compulsory for all nationals/citizen of the 60 visa-free countries to apply online for a New Zealand Electronic Travel Authorization (NZeTA) application before traveling to New Zealand.
This New Zealand Electronic Travel Authorization (NZeTA) will be valid for a period of 2 years.
Citizens of Australia do not require New Zealand Electronic Travel Authorization (NZeTA) . Australians do not need a Visa or an NZ eTA to travel to New Zealand.