Bandon Marsh National Wildlife Refuge is a U.S. National Wildlife Refuge on Oregon's coast. It is one of six National Wildlife Refuges comprising the Oregon Coast National Wildlife Refuge Complex and is renowned among bird watchers for being able to view rare shorebirds including ruff, Hudsonian godwit, and Mongolian plover.The refuge was last expanded in 1999, it now has 889 acres (3.60 km2) in two units: Bandon Marsh and Ni-les'tun.