A large conservation park, a wetland education centre and a South Bank-styled foreshore pool feature in a massive overhaul for Cleveland’s $1.3 billion Toondah Harbour development, planned as the gateway to North Stradbroke Island.

However, the latest changes are not enough to satisfy Birdlife Australia's concerns about endangered migratory seabirds.

The June 2018 plan for Cleveland's Toondah Harbour.

The four-year plan to build a new marina at Cleveland has been marred by disputes between developers the Walker Group and conservationists, mostly bird groups.

These groups are worried about the impact of the project on the internationally recognised RAMSAR wetlands.