A cute little Maritime Museum is located right in Old San Juan. We needed to pass some time before the air show last fall so we checked it out. 
Real pieces of eight!
Pirate stuff. What’s not to love?
An great opportunity to teach your kid about maritime war tactics
Clean, well done, bilingual placards,informative, inviting bathrooms. You should go! You only need about 30-45 minutes to leisurely see it all.
Baño signs
Spanish has become the new English with the future demographics changes looking hispanic population becoming 30% ofUS population like in 30 years it is very good younger generations getting ahead in knowing different languages.