Part closure of Upper Spencer Gulf Marine Park

Published: 01 September 2025

A por­tion of the Upper Spencer Gulf Marine Park has been tem­porar­i­ly restrict­ed to pro­tect cut­tle­fish hatch­lings and eggs and ensure pub­lic safe­ty dur­ing the deploy­ment of an air bub­ble cur­tain. Penal­ties apply for enter­ing the restrict­ed area

Pur­suant to Sec­tion 18(2)(a) and © of the Marine Parks Act 2007, it is pro­hib­it­ed for any mem­ber of the pub­lic to enter the des­ig­nat­ed zone sur­round­ing the air bub­ble cur­tain installed at Stony Point, near Port Bonython. 

The des­ig­nat­ed zone is locat­ed off the coast of Stony Point at the loca­tion marked in the below map. This pro­hi­bi­tion oper­ates for a peri­od of 90 days, until 26 Novem­ber 2025. The pro­hi­bi­tion may be extended. 

The pur­pose of the restric­tion is to ensure the pro­tec­tion of cut­tle­fish eggs and hatch­lings against the poten­tial impacts of the algal bloom, and to ensure pub­lic safe­ty dur­ing oper­a­tion of the bub­ble cur­tain, which may occur with­out warning. 

Fail­ure to com­ply with this notice may result in lia­bil­i­ty for crim­i­nal prosecution. 

See map here of affect­ed area.