MarineMax Grand Lake is proud to present the new 2026 Harris 250 Grand Mariner (Stock #213914), a pontoon boat that redefines luxury, performance, and style. The Grand Mariner series is renowned for its premium craftsmanship and attention to detail, making it a perfect choice for those who want the ultimate experience on Grand Lake. This vessel is designed to be a sophisticated social platform for entertaining guests, a comfortable cruiser, and a powerful boat for watersports.

With its sleek lines, high-end finishes, and a spacious layout, the 250 Grand Mariner offers a level of comfort and elegance that is second to none. Its triple-pontoon performance hull ensures a smooth and stable ride, even in choppy conditions, making every outing a pleasure.

Key Features and Highlights

• Powerful Mercury 350 HP Verado Outboard: This 250 Grand Mariner is powered by a high-performance Mercury 350 HP Verado FourStroke outboard engine with Digital Throttle and Shift (DTS) and Power-Assisted Steering (PAS). This powerful and responsive engine provides exhilarating acceleration for watersports like tubing and wakeboarding, while the DTS and PAS systems offer incredibly smooth, precise, and effortless control, enhancing the driving experience.
• Luxury & Comfort: The boat features a plush, multi-density foam seating throughout, with premium upholstery that is both stylish and durable. The open deck layout provides a comfortable environment for all passengers, with versatile seating arrangements perfect for conversation or sunbathing.
• Performance & Stability: Equipped with a high-performance triple-pontoon (tritoon) hull, the Grand Mariner delivers a stable ride, tight turning, and excellent handling, which is crucial for a large pontoon boat. The in-floor ski locker provides a must-have storage solution for watersports gear, keeping the deck clean and safe.
• Advanced Helm & Technology: The ergonomic helm station is a masterpiece of design, featuring a modern dash with a multi-function display for navigation and engine data. The Digital Throttle and Shift offer seamless control, and the boat is often equipped with premium audio systems and integrated lighting to create the perfect on-water ambiance.
• Premium Amenities: Thoughtful details like stainless steel accents, integrated cup holders, and a built-in cooler or wet bar (depending on the specific layout) further enhance the luxury and convenience of the boat.
• Versatile Stern Seating: The aft area often features a flexible seating arrangement, such as a large lounge or sunpad with a convertible backrest, providing a great spot to relax while anchored or to keep an eye on activities in the water.

This 2026 Harris 250 Grand Mariner (Stock #213914) offers a unique opportunity to own a brand-new, top-tier pontoon from MarineMax Grand Lake, perfectly equipped to deliver an unparalleled level of luxury and performance for every member of your family.

At MarineMax, we are dedicated to making boating easy and enjoyable. When you purchase a boat from us, you'll benefit from our comprehensive support, including:

• A full fuel tank upon purchase.
• A Go Boating Gear kit containing essential items like personal and throwable flotation devices, flares and a horn for signaling, a fire extinguisher, dock lines, an anchor, a boat hook, cleaning supplies and more, so you're fully equipped and ready to enjoy your new boat!
• Hassle-free financing and insurance options.
• Exceptional service with convenient online scheduling.
• Expert guidance through various boating classes and seminars.
• Access to our exclusive Getaways!® trips and customer events, connecting you with a community of fellow boaters.

Trades considered.

Visit MarineMax Grand Lake today at 28100 S. Highway 125, Monkey Island, OK 74331, or call us at (918) 782-3277 to learn more and schedule your personal showing of this exceptional vessel!