Both the Landau Atlantis 250 F&C 2007 and the Landau Signature Series 2500 2011 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?
On paper these two are close siblings in the size department - Landau Atlantis 250 F&C 2007 at 24,0 ft versus Landau Signature Series 2500 2011 at 25,0 ft. Weight tells a clearer story for trailering families: the Landau Signature Series 2500 2011 tips the scales at 2 600 lbs - 600 lbs less than the Landau Atlantis 250 F&C 2007 at 2 000 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
Both boats share a closely matched power ceiling - 125 hp for the Landau Atlantis 250 F&C 2007 and 130 hp for the Landau Signature Series 2500 2011. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
For family outings this is probably the sharpest distinction between the two. The Landau Atlantis 250 F&C 2007 is rated for 14 passengers, while the Landau Signature Series 2500 2011 caps at 13. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Landau Atlantis 250 F&C 2007 could be the deciding factor.
Both are 2-tube and 23-tube pontoon designs respectively. Tube diameter and gauge affect stability and load capacity - more so than most buyers realize when comparing on paper.
Bottom line: Choose the Landau Atlantis 250 F&C 2007 if your priority is putting more people on the water - it handles 14 passengers and at 24,0 ft it has the deck room to back that rating up comfortably. The Landau Signature Series 2500 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 13 that costs less to run day-to-day.