The proposal is for a marina development and a rezoning proposal for land-based development.

It has been referred following a period of negotiation and discussion between various State and local government agencies involved with the Bunbury Harbour City Concept and the City of Bunbury Town Planning Scheme No 6 Amendment No 82. Amendment No 82 has since been withdrawn from the environmental assessment process.

The marina development includes construction of a causeway between the Outer Harbour and Casuarina Harbour; land reclamation to construct a new beach and to provide additional area for development; groynes; marina car-parking; construction of a boat launching ramp, and development of more than 70 additional pens. Sand for the land reclamation is proposed to come from local sand pits and sand trapped at the groyne on the western side of Point Casuarina.