Aerial photographs by David Adam Kess Baltra Island, or Isla Baltra, is a small island of the Galápagos Islands. Also known as South Seymour (named after Lord Hugh Seymour), Baltra is a small flat island located near the center of the Galápagos. It was created by geological uplift. The island is very arid and vegetation consists of salt bushes, prickly pear cactus and palo santo trees.