Nine buoyant, tethered sculptures that sway in the current like kelp trees, the world's first buoyant reef. Already dense with…Nine buoyant, tethered sculptures that sway in the current like kelp trees, the world's first buoyant reef. Already dense with soft coral, kingfish, wobbegongs and grey nurse sharks. Opened 2022, designed by Ilya and Emilia Kabakov with engineers who solved a genuinely new problem, sculptures that float upright on tethers so the whole structure moves with swell rather than fighting it. A A$5m Queensland dive-tourism play. Anchorage: Public moorings on site; 15min run from the Gold Coast Seaway. Hazards: No site-specific hazards noted, brief normally. Altro