According to ESRB, this game contains: Gambling, Use of Alcohol, Violence
Parents don't have much to be concerned about. The pirates on display here are strictly of the PG-variety.
Pirate aficionados should give it a look. Despite its overall mediocrity, the sailing and sea combat are well-done enough that they should prove interesting for anyone who fantasizes about a pirate's life.
Deaf and Hard of Hearing gamers should have no real trouble with the game. Swordfighting can be a little awkward without audio cues, but all important dialogue is displayed onscreen.