Pontoon sales continue to explode during the 70’s and numerous brands begin to appear. Crest develops a multi-tiered line of boats to meet the demand for more comfort and entertaining. Features like built-in coolers, deluxe audio systems, galleys and wet bars become popular options. Crest continues to innovate by designing and introducing purpose built fishing pontoon models. As pontoons grow in size, sub-structures become increasingly important, so Crest to uses over-sized deck supports, thicker gauge aluminum and superior fasteners designed to accommodate the higher horsepower outboards. Crest earns the reputation of being over-built and additional innovations are introduced like: performance lifting strakes, adjustable transoms and larger diameter pontoons.