How about the Outer Banks, NC in Jan-Feb, the Stripers are there as are the the Tuna, even some giants. I also know you can get rental condos and townhouses cheap as it's off season..
You could do some surf fishing and maybe grab a charter for some Tuna action. My Dad has a house on the water in there and it's truly a beautiful place!
Contact: Pirates Cove Marina
http://www.fishpiratescove.com/