Maschaug Pond is a coastal lagoon in Westerly, Rhode Island recognized as an important bird area (IBA). The pond includes a barrier beach system approximately 0.5 mile long with a high beach, foreshore, primary dunes, and back dune zonation. The barrier beach lies oceanward of a coastal pond that contains no permanent breachway to the ocean.

This IBA lies within land owned by the Misquamicut Country Club from Ocean View Drive, oceanward to the highest high tide elevation.