 The town was named for the caiman alligators which were once common in the river and in the mangrove labyrinths of the upper Bay, but which have since declined in numbers.The community of fishermen and salt mine workers flourished at the beginning of the 20th century precisely because of the base's construction.It was a magnet for Cuban workers and a popular spot for visitors, including Cubans from across the island and people from nearby countries such as Jamaica.