Marina Dredging Services are specialists in clearing silt and sediment from berths and marinas. Our fleet of mini dredgers can be used for deepening marinas, canals, rivers and other waterways. Many sites, which are impossible for other machines to get to or access, can be deepened and cleaned easily with our Catfish™ mini-dredgers.Our Catfish™ mini-dredge can clear silt and sediment from berths and difficult access areas where other access is shallow or tight.