THEY started at 3am on Christmas Eve and have formed a seafood ravenous queue ever since.
Customers seeking trawler fresh prawns, fish and crabs for their Christmas Day lunches have filled Parkyn Parade this morning.
Mooloolaba Fish Market manager Kristian Penny said the queue at his shop was down the street, around the corner and nearly to the beach by about 5am.
"It has been crazy," Mr Penny said.
He said he had about 40 staff members rostered on between early Friday, December 22, and late Sunday, December 24.
They sold more than nine tonnes of prawns on Saturday and were expected to get through more than 11 tonnes by the end of today for tomorrow's feasts.
Large fresh king prawns were going for $39.90 a kilogram and medium prawns for $29.90kg.
Mr Penny said he had been awake for about 30 hours by the time 8am Sunday rolled around.
His voice was nearly non-existent.
"We don't run out of anything," he said.
"We can supply the demand."
Customers Jackson Selby and Taylor-Lee George, of Sydney, had neared the front of the queue by about 8am.
They waited about an hour to pick up enough prawns and salmon to cater for a 30-person Christmas lunch.
"We probably should have pre-ordered it," Mr Selby said.
"We say that every year."
Maroochydore couple Darryl and Alison Jentz were about halfway along, having waited about 40 minutes.
"Everybody in the know comes to the fisheries to get their prawns because they are fresh," Mr Jentz said.
Other seafood vendors were busy but the lines were either not as long or non-existent.
Mr Penny said his store would be open until 8pm on Christmas Eve.