Westfield Newmarket, in the area where shoppers spend nearly $9 billion annually, closes this week ready for a $655 million redevelopment.
Scentre Group said its last day of trading would be this Thursday, the mall would be shut from Friday and it promoted sales in stores.
"The centre's last day of trading will be Thursday 8th February. So, check out the sale offers before the stores' last day," Scentre said.
Retailers in Newmarket outside the mall fear 277's loss, with its 1,244 car parks, Countdown supermarket and 112 specialist stores.
Scentre acknowledged its presence in the suburb, saying it got 5m annual customers visits to the 31,592sq m Westfield Newmarket which made $148.3m total annual retail sales.