When two boats share the same hull type — in this case both the Fiesta Marine 20 ft. Family Fish-N-Fun "L" 2011 and the Fiesta Marine 26 ft. Fish-N-Fun Grande "L" Deluxe 2011 are pontoon designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
Bottom line: The Fiesta Marine 26 ft. Fish-N-Fun Grande "L" Deluxe 2011 at 26,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Fiesta Marine 20 ft. Family Fish-N-Fun "L" 2011 at 2,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.