I agree with George.
If your wife catches a Marlin, it will be the best trip she ever remembers...if she spends half a day only watching the teasers behind the boat you will be branded a dumbass for life.
I would look more towards the reef fish and inshore action. It should be a lot less expensive and you should also have a lot more action.
Get as many references for charters in the area as you can find.