MGN Civil is a Queensland-based civil engineering contractor which specialises in marine projects, including rockwall and seawall construction, underwater marine infrastructure works, boat ramps and pontoons, ground improvement, reclamation, and dredging.
In January 2021, the company was announced as the preferred tenderer for earthworks at the state government's $121 million Spoilbank Marina project in Port Hedland, Western Australia. In February 2023, it was awarded the contract to complete the first seawall at Port Hedland’s Lumsden Point.
The company is run by managing directors Neville and Amanda Foley.