The best replacement for pontoon boats is deck boats.

The best alternatives to pontoon boats are rated as following:
★★★★★  deck boats
★★★  fishing boats
★★  tracker pontoon boats
★★  sun tracker pontoon boats
★★  boats
★  ski boats
★  suntracker
  speed boats
  godfrey pontoon boats

Your alternative for pontoon boats is not listed? Suggest!
Speaking about pontoon boats, one probably shouldn't forget about upper deck.

Other search terms related to pontoon boats and their ratings are:
★★★★★ upper deck
You have in mind a companion for pontoon boats and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pontoon boats in all years. Click on graph for more.
pontoon boats
deck boats
fishing boats