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 a 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.