Early interstate voting is available to enrolled voters in the Secret Harbour District who will be interstate on Secret Harbour By-election Day on 29 August.
| Location | Date and times |
|---|---|
| ACT Electoral Commission, Ground Floor, Nara Centre, 3 Constitution Avenue, Canberra City | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |
| Electoral Commission of Queensland, Level 20, Waterfront Place, 1 Eagle Street Brisbane | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |
| Northern Territory Electoral Commission - Level 3, TCG Centre, 80 Mitchell St, Darwin | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |
| NSW Electoral Commission, 231 Elizabeth Street, Sydney NSW 2000. | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |
Tasmanian Electoral Commission, 294 Elizabeth St, North Hobart | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |
| Victorian Electoral Commission, Building C, 465 Plummer Street Port Melbourne VIC 3207 | Mon 17 August - Friday 21 August Mon 24 August - Friday 28 August |