"A number of those passengers would have disembarked the ship and made bookings through the i-SITE at the Port of Tauranga. There would also be a number who meander the shops of Mount Maunganui and Tauranga," Low said.
"Those businesses we have spoken with this morning who had pre-bookings with passengers are issuing refunds."
She said there would be a financial loss but the extent of that loss was unknown.
CCTV footage and witness statements show a 62-year-old Australian man deliberately jumped overboard, according to a statement from a Norwegian Cruise Line spokesperson.
"The authorities were notified and a search and rescue operation ensued immediately. Unfortunately, the guest has not been found," the statement read.
"Our thoughts and prayers are with the individual's family during this difficult time".