Probably better canal fishing in Palm Harbor. Also a bit closer to the Port A ferry. If you are bringing a boat, it's right on the ICW and Estes flats is an easy paddle in a kayak.
I stayed at this one in Palm Harbor last summer.
http://www.vrbo.com/115959Kinda expensive but if your group is more paying adults then mooching kids, (JK)

the cost isn't so bad.