A resident in the Whitby Mews social housing block at Bellambi has tested positive to COVID.
A letter sent out to residents recommends they are "vigilant in monitoring for any symptoms of COVID-19 and get tested and self-isolate immediately if you feel unwell".
The letter also recommended people wear masks when moving through any communal areas at Whitby Mews, and not share those spaces with people from different households.
It comes after another unwanted record was announced on Friday for the Illawarra-Shoalhaven, with 38 residents testing positive for COVID-19.
Across the state, nine deaths and 1542 new cases were recorded in the 24 hours to 8pm on Thursday.
Deputy Premier John Barilaro described the region's daily case numbers as "stable but high", with 28 recorded in Wollongong and eight in Shellharbour. The Shoalhaven uncovered two new cases.
Three new Shellharbour venues have been added to NSW Health's COVID venue alert: They are KFC Shellharbour on Lake Entrance Road ( Monday, September 6, between 11.45am and 12.15pm), Shell Cove Woolworths, Cove Boulevarde (Thursday, September 2, 4pm to 5pm) and Shellharbour Woolworths, New Lake Entrance Road (Saturday, September 4, 5.30pm to 6.15pm, Tuesday, August 31, 6pm to 6.15pm, Saturday, August 28, 2pm to 2:05pm).
Anyone who visited at these times is a casual contact and should get tested and isolate until receiving a negative result.
Meantime 7-Eleven Shellharbour closed for deep cleaning on Friday after a visit from a confirmed COVID-19 case.
Anyone who attended the petrol station on Saturday, September 4, between noon to 1pm, should get tested and isolate until their test comes back negative.
ALDI Corrimal also shut up shop on Friday and advised customers that a visitor to the store on Saturday, September 4, from 2.25pm to 2.56pm, had subsequently tested positive for COVID-19.
Affected customers are advised to get tested and isolate until receiving a positive result.
There was some good news for the region, with Illawarra workers now eligible for $320 test-and-isolate payments from the NSW government.
Shadow Minister for the Illawarra Ryan Park said he was pleased the Government had listened to his advocacy about extending test and isolate payments to Illawarra residents who do the right thing and stay at home until they receive a negative test result.
Mr Park said he was pleased the Government had finally listened to the concerns raised by those living outside the LGA's of concern.
"Workers who now have to get tested and then isolate for a day or two until they get test results back will be eligible for a $320 payment from the Government to offset loss of income that may have occurred simply by workers or small business owners doing the right thing and isolating," he said.
"This is a really important issue and one I have raised repeatedly with the Government since the payments were introduced for people living in the hotspot LGA's of concern.
"People simply need to apply through Service NSW and meet some of the basic criteria and a payment can be made straight into their bank account to try and reduce the financial hardship that missing shifts can put on local residents."
To access the payment you must be 17 years of age or over, have had a COVID test on or after 9 September 2021 and be likely to have worked during the period you were unable to work due to needing to self-isolate or look after someone else in isolation.