2026 Harris Grand Mariner 230

The 2026 Harris Grand Mariner 230 is a 27-foot aluminum tri-toon pontoon powered by a single Mercury 300 hp Verado engine. The boat carries a fuel capacity of 50 gallons and can accommodate 9 to 12 people depending on configuration. Its design supports engines up to 400 hp, and the three-tube setup enhances stability and handling performance across varying water conditions.

The SLDH floor plan features dual helm seats at a raised helm station, a single rear-facing lounge, and multiple seating areas throughout. The cabin is appointed with Tungsten soft-touch vinyl upholstery and Moonlit Shoreline flooring. Navigation and entertainment systems include dual Simrad NSX9 touchscreen displays, a JL Audio sound system, and ambient plus underwater lighting via the Total Light Package. The Ultra tower includes integrated lighting as well.

Additional features include in-floor storage, a Lillipad boarding ladder, and rear safety rails. The boat measures 27 feet 4 inches in length with an 8-foot 6-inch beam, and weighs between 3,500 and 4,300 pounds depending on the package. The tri-toon configuration and Mercury Verado engine combination deliver responsive acceleration and smooth cruising suitable for both watersports and leisurely outings.