Just got back from a 3 week trip n the southern Bahamas. Yellowfin tunas were everywhere south of the Exuma Chain. Caught 2 Blue Marlin and a boat load of tuna. Most tunas were footballs but we did get a few 30-50 pounders.
Check out this Video of Big AL C. and his biggest tuna of the trip.
Yellowfin Tuna Fishing click on the video link at the top of the page.