Original: The town of El Puerto de Santa Maria is 10 km north east of Cadiz across the bay of Cadiz and is best known for its ferry El Vaporcito which has been in operation for 76 years carrying passengers to and from Cadiz to El Puerto.
Simplified: The city of El Puerto de Santa Maria is  north east of Cadiz across the Bay of Cadiz. It is  best known for its ferry, El Vaporcito, which has been used for 76 years.