Originally Posted by
Tegg
Catfish Hotel at Manatee - Not much of a cavern zone, but a nice spot to shake out your drysuit.
Little River - Not much of a place to shake out the drysuit, but decent cavern.
Buford Sink - Nice cavern, smallish basin, nice hike through swamp.
Paradise Sink - Decent cavern, platforms in the basin, easy access.
Blue Grotto - Commercial cavern, big basin area with platforms, easy access.
That should get you started... there are more, but I'll leave those for others to suggest.