2026 Harris Grand Mariner 250

2026 Harris Grand Mariner 250 SLDH – 425HP Mercury Verado V10

Flagship Luxury. Supercharged Performance. Unmatched Presence.

This is not a typical pontoon. This 2026 Harris Grand Mariner 250 SLDH is a fully loaded flagship luxury performance tritoon powered by the incredible 425HP Mercury Verado V10 — one of the most powerful outboards ever offered on a production pontoon boat.

Built for buyers who want the absolute best in:

• luxury

• technology

• watersports

• entertaining

• and high-performance cruising

…this Grand Mariner delivers a true “yacht on the water” experience with breathtaking performance and premium craftsmanship throughout.

Performance & Ride Quality

• 425HP Mercury Verado V10 delivers massive torque, instant acceleration, whisper-quiet operation, and thrilling top-end speed while maintaining luxury-level refinement

• 327 Performance Chassis with Triple 27” Tubes creates incredible flotation, superior rough-water ride quality, flatter cornering, and high-speed stability

• Full-Length Lifting Strakes & Performance Keel improve handling response, efficiency, acceleration, and overall ride comfort

• Mercury Power Assist Steering provides effortless fingertip steering control even at high speeds

• Full Aluminum Underskin Package reduces drag and spray while improving ride smoothness and overall performance

• Estimated top speeds can exceed 60+ MPH depending on conditions and setup

Luxury Interior & Comfort

• SLDH Floorplan (Single Rear Lounger Dual Helm) creates one of Harris’ most desirable entertainment layouts with expansive social seating and open movement throughout the boat

• Luxe Dune Interior with Charcoal Accents delivers a modern upscale yacht-inspired appearance with premium comfort and durability

• Dual UltraLux High-Back Captain’s Chairs provide premium support and comfort for both driver and passenger

• Full Beachwalk Seagrass Flooring offers the elegant appearance of yacht decking while remaining soft, durable, and easy to maintain

• Extended Rear Swim Platform creates additional lounging space and easier boarding for swimming and watersports

• In-Floor Storage Compartment keeps skis, ropes, tubes, and gear cleanly hidden away

Technology & Premium Features

• Technology Package transforms the helm into a luxury command center with advanced integrated controls and premium electronics

• Simrad NSX7 with SmartCraft Integration provides GPS mapping, engine information, and touchscreen system controls in one modern display

• C-Zone Total Lighting Package adds premium customizable interior and exterior LED lighting with integrated digital switching

• JL Platinum Audio System delivers rich, high-end marine sound quality throughout the entire boat

• Raised Helm improves visibility and creates an elevated luxury driving experience

• Upgraded Steering Wheel adds premium styling and improved helm feel

Power Lift Tower & Watersports

• Ion Power Lift Tower with Integrated Black Bimini is one of the most impressive features on this build, delivering aggressive styling, premium functionality, and effortless push-button operation

• Power-lift capability allows quick lowering for bridges, storage, and trailering convenience

• Elevated tow point is ideal for wakeboarding, tubing, and watersports activities

• Integrated black bimini provides expanded shade coverage while maintaining the sleek sporty appearance

Bold Luxury Styling

• Ceramic White Exterior with Sparkling Champagne Accents creates a stunning high-end luxury appearance on the water

• Black Edition Powder-Coated Fence Package adds black rails, black accents, and black rub rail styling for an aggressive modern look

• The combination of the power tower, black accents, and V10 Verado creates one of the most striking pontoons on the water today

Built for Buyers Who Want It All

This Grand Mariner 250 SLDH is built for those who refuse to compromise between:

• luxury

• performance

• technology

• entertaining space

• and watersports capability

Whether cruising at sunset, entertaining at the sandbar, or pulling riders with the power of the V10, this Harris delivers a true flagship on-water experience.