you might want to wonder over to Free Cruising Guides dot com (http://freecruisingguides.com/) and download the Cuba Cruising Guide.
http://freecruisingguides.com/cuba/2013/08/03/a-cruising-guide-to-cuba-is-here/
I mean, just in case you have a breakdown and NEED to stop there to effect repairs.
I have my copy, like I said, just in case.
Greg