Complex sentence: The ship swimming on the river is named "Guayas" aswell, in 1841 it has been built in Guayaquil and has been the first seaworthy steamship built on the Southamerican west coast.
Split into simpler sentences: The ship swimming on the river is named "Guayas" as well. In 1841 it was built in Guayaquil and has been the first seaworthy steamship built on the Southamerican west coast.