Crest Pontoon Boats For Sale. Crest Pontoons are made under the discipline of their 6 Pillars: Structural Superiority, Innovation, Style, Comfort, Precision, and Performance. Crest has a full line of pontoons from entry to luxury: Crest I, Crest II, Crest III, Crest Caliber, Crest Classic, Crest Caribbean, Crest Continental, and the Crest Savannah.