Low Island or Isla Baja, historical names Jameson Island or Jamesons Island is an island 9 miles (14 km) long and 5 miles (8 km) wide, 14 miles (23 km) southeast of Smith Island, in the South Shetland Islands. The island is located at (63°17′S62°09′W) and is separated from Smith Island by Osmar Strait. Low Island was so named because of its low elevation.