2026 Harris Harris Grand Mariner 250

The 2026 Harris Grand Mariner 250 is a 25-foot aluminum pontoon built on the elite 327 chassis with triple 27-inch tubes and performance lifting strakes. It runs a Mercury 425 hp Verado V10 engine, capable of a top speed of 56 mph with a cruising speed of 35 mph. Power-assist steering and the performance hull design deliver smooth handling and responsive control across varied water conditions.

The boat features luxury accommodations throughout. Dual high-back helm chairs and Luxe Dune pillow-top furniture create a refined seating area, while Beachwalk Seagrass flooring offers a durable, cool-underfoot finish across the deck. The Black Edition Powder Coat package with Black Sapphire panels and Sparkling Champagne accents provides the exterior styling.

Technology and convenience are integrated throughout. A black Ion Power Lift tower retracts with the push of a button for bridge clearance. The Simrad NSX7 with SmartCraft offers GPS navigation and full engine diagnostics. The Total Lighting Package with C-Zone programmable interior and exterior lights allows customizable ambient lighting. JL Audio Platinum speakers provide the audio system.