Castello a Mare
Castello a Mare or Castellammare is an ancient fortress that guarded the entrance to the port at Palermo in La Cala. Extensive remains are visible and open to the public, including an Arab-Norman keep and a sophisticated Renaissance star-shaped defence.
- Douglas Sladen. Sicily: The New Winter Resort, an Encyclopedia of Sicily. Forgotten Books. p. 410. ISBN 978-1-4400-8801-8. Retrieved 19 March 2012.