2026 Harris Grand Mariner 250 CWDH

The 2026 Harris Grand Mariner 250 CWDH is a 25-foot pontoon with an 8.5-foot beam, built on an aluminum frame with three tubes. It comes equipped with a Mercury 350L Verado V10 outboard engine delivering 350 horsepower, paired with power-assisted steering and digital throttle and shift control.

The layout features a center walk-through design with dual helm stations. The boat includes a tower with a power lift and black bimini top, along with a stainless steel three-tube ski tow bar. Seating consists of an ultraluxe high-back helm seat and a woodgrain luxury sport table. The flooring throughout is stone gray woven vinyl.

Standard equipment includes the convenience and technology packages, as well as full interior and exterior lighting. Tube protectant is applied to the pontoon frame.