Bear Island is an undeveloped 12,021-acre (48.65 km²) Sea Island in Colleton County, South Carolina. It is part of the ACE Basin estuarine reserve area and is a Wildlife Management Area that is managed by the South Carolina Department of Natural Resources (SCDNR). The area is open to the public from early February to late October and is a popular spot for hiking, biking, birding, fishing, and hunting. A wide variety of waterfowl species inhabit the area.