2025 Harris Grand Mariner 230

The 2025 Harris Grand Mariner 230 is a 28-foot pontoon powered by a 300-horsepower Mercury outboard with power-assisted steering and digital throttle and shift. The boat features a three-pontoon design with contoured hull chassis for improved handling and performance.

The layout includes a full-beam seating arrangement with tungsten pillowtop furniture accented in charcoal. An electric bimini top provides weather protection over the helm and lounge area. Interior finishes include stone gray woven vinyl flooring throughout the deck. A flip-up table and aft chaise lounge complete the seating configuration, with an integrated swim step at the stern.

The boat is equipped with a Simrad NSX9 display, JL Audio sound system, and a deluxe tech package. Additional features include salt water anodes, an air-pressure chassis at 325 RPM for optimized ride quality, two extra fenders, and a blackout edition color package with sterling gray fencing, blush red accents, and tungsten interior trim.