Bertha's Beach Important Bird Area comprises 3300 ha of coastal wetlands at the entrance to Choiseul Sound, on the east coast of East Falkland, in the Falkland Islands. It lies about 8 km south-east of Mount Pleasant Airport and 40 km south-west of Stanley. It has been identified by BirdLife International as an Important Bird Area (IBA) because of its significancer for a variety of migratory waders and other waterbirds. Overlapping it is the 4000 ha Bertha's Beach Ramsar site, recognising it as a wetland of international importance.