Both the Fiesta Marine 18 ft. Family Fish-N-Fun "L" 2012 and the Fiesta Marine 24 ft. Caliente Swim-N-Fun "L" 2012 are pontoon designs, both built in aluminium, so 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 24 ft. Caliente Swim-N-Fun "L" 2012 at 24,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Fiesta Marine 18 ft. Family Fish-N-Fun "L" 2012 at 18,0 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.