Overnight Tuna Charters aboard the My Marlin for all you big time anglers looking to catch Cow Yellowfin Tuna we offer  offshore 24, 36, and 60 hour charters 70, 90, and 120 + miles offshore. The average size for Yellowfin Tuna on overnight fishing charters is 80-300 lbs There are many different fishing techniques for catching big tuna. The most common are trolling or drifting with live bait. For more info contact us