2026 Harris Grand Mariner 250 Boat in Lewisville, TX 75067 US
Built in 2026
Grand Mariner 250
1 Engine (MERCURY)
25 feet
Gas
Aluminum
The 2026 Harris 250 Grand Mariner (Stock 219365) is a high-performance luxury pontoon that defines "over-the-top" capability, pairing the immense power of a 425HP V10 with a sophisticated 25-foot platform. Built on a heavy-duty 27-inch triple-tube chassis, this configuration is a "Premium Experience" build designed for those who want maximum speed, total shade coverage, and the highest level of digital control available.
Key Specifications & Details
- Engine: Mercury 425L V10 Verado
- Status: Trailer is not included in the price.
- Trades: Trades considered (Boats only).
- Location: Available at MarineMax Dallas
- Mercury 425L V10 Verado: The pinnacle of outboard engineering, delivering a massive 425 HP. This engine features Digital Throttle & Shift (DTS) and Power Assist Steering (PAS) for silky-smooth handling of all that V10 torque.
- Performance Level 3 Chassis: A high-buoyancy configuration featuring triple 27" tubes with lifting strakes and a full-length keel, providing the structural integrity needed for high-speed stability and sharp tracking.
- Ski Tow Bar: A heavy-duty stainless steel structural mount designed to handle professional-grade towing for skiers, wakeboarders, and tubers.
- Large Diameter Tubes: The 27-inch pontoons offer a significantly higher weight capacity and a more stable, level ride in rough water compared to standard 25-inch setups.
- Black Sapphire & Black Matte: A sophisticated, "stealth" aesthetic featuring Black Sapphire panels, Black Matte accents, and the Black Edition powder-coated fence.
- Ion Power Lift Tower: An electrically actuated tower that lowers at the touch of a button for bridge or garage clearance, featuring integrated Tower Can Speakers for a 360-degree audio experience.
- Double Bimini System: Two connected Black Bimini tops that extend to provide total deck coverage, ensuring every passenger stays cool under the summer sun.
- Swim & Social: Features an Aft Swim Seat for lounging at the waterline, an American Flag mount, and two additional 8.8" fenders with straps for simplified docking.
- SLDH Layout & Chestnut Brown: Features the Single Rear-Facing Lounger (SL) paired with Dual Helm Seats (DH), finished in Luxury Chestnut Brown upholstery with the Furniture Wood Trim Package and Onyx (Black) accents.
- Full Chestnut Teak Flooring: A premium, textured woven vinyl flooring that provides a natural teak look while remaining durable, slip-resistant, and easy to clean.
- High-End Socializing: Includes a Chaise End Flip-Up Table and multiple social zones, offering the perfect setup for dockside dining and drinks.
- Ultra Luxury High Back Helm Seats: Matching upgraded captain and co-captain chairs ensuring both the driver and companion have superior ergonomic support.
- Total Lighting Package (C-Zone): A fully integrated digital switching system that allows you to control the Interior and Exterior RGB lighting through a centralized, high-tech interface.
- Tech & Convenience Packages: These bundles provide a "glass dash" experience with high-definition touchscreen displays, integrated GPS, and upgraded helm controls.
- Helm Upgrades: Features a Steering Wheel Upgrade, a Removable Windscreen, and a wide-angle Helm Rearview Mirror for safely monitoring skiers.
- Safety Railing: A stainless steel perimeter railing at the stern, allowing passengers to safely utilize the rear lounger while the boat is underway.
The MarineMax Advantage: Ownership Made Easy
When you purchase this boat, you don't just get a boat-you join the MarineMax family and benefit from our comprehensive support, making boating easy and enjoyable:
- Ready-to-Go: A full fuel tank upon purchase and a Go Boating Gear kit filled with essentials for safety on the water.
- Financial Ease: Hassle-free financing and insurance options.
- Exceptional Service: Convenient online scheduling for all your maintenance needs.
- Expert Training: Boating classes and seminars to build your confidence on the water.
- Community: Exclusive access to our Getaways!® trips and customer events, connecting you with a vibrant community of fellow boaters
Contact Us Today! Visit us in-store at MarineMax to see the boat in person or contact us to schedule a demo ride!
Videos from MarineMax Dallas on this 2026 Harris Grand Mariner 250
2026 Harris Grand Mariner 250 Video Tours
Harris Grand Mariner 250: BoatTEST Review
Overview
The Grand Mariner introduces an innovative integration with Mercury's single engine joystick system, enabling enhanced maneuverability for single-engine boats. This advancement allows the vessel to perform 360-degree rotations and precise parallel docking, significantly improving handling and control in tight spaces.
Exterior Design and Features
The boat features a thoughtfully designed exterior with adjustable seating that can be set at various levels or laid flat for comfort. A conveniently positioned cooler is accessible both from the deck and the water, allowing swimmers to easily retrieve refreshments. The Grand Mariner is equipped with a cladded power tower that includes interior lighting, enhancing both functionality and aesthetics during evening use. Upgraded wood trim accents provide a refined finish, complemented by premium JL Audio sound systems integrated into the design.
Cockpit and Bridge Technology
The cockpit center is elevated and incorporates sophisticated integrated lighting within the dash for improved visibility and ambiance. Navigation and control options include dual Simrad displays or customizable gauge configurations, catering to different user preferences. The helm features a joystick control dedicated to precise docking maneuvers, supported by premium wood-trimmed steering components. Lighting controls are managed through an advanced LED system with multiple modes, including SOS signaling for emergencies, automatic docking light activation, and a 'dock party' mode that illuminates tower lights for social gatherings.
Overview from around the web 2026 Harris Grand Mariner 250
The 2026 Harris Grand Mariner 250 has garnered positive feedback from customers appreciating its luxurious design and outstanding performance on the water
Many users highlight the spacious layout, which comfortably accommodates friends and family, making it perfect for both entertaining and relaxing. Customers frequently mention the high-quality materials and craftsmanship, noting that the plush seating and elegant finishes elevate their boating experience. The powerful engine options provide smooth and responsive handling, making it a joy to navigate various waterways. Additionally, features such as the advanced sound system, ample storage, and innovative safety elements receive praise for enhancing convenience and enjoyment on the water. Overall, the Harris Grand Mariner 250 stands out as a top choice for those seeking a blend of comfort, style, and performance in a pontoon boat.
The Biggest Pros and Cons
Pros
Spacious Design: The Harris Grand Mariner 250 offers ample space, comfortably accommodating family and friends for a day on the water. The well-thought-out layout ensures everyone has room to relax and enjoy.
Luxurious Features: This model is equipped with high-end finishes and comfortable seating, providing a premium boating experience. The plush upholstery and stylish design elevate both comfort and aesthetics.
Powerful Performance: With options for powerful outboard engines, the Grand Mariner 250 delivers impressive speed and handling, making it suitable for a range of activities from cruising to watersports.
Advanced Technology: Enhanced with state-of-the-art technology, including a high-quality sound system and a user-friendly touchscreen interface, the Grand Mariner makes navigating and enjoying your time on the water effortless.
Customizable Options: Harris offers a range of customizable features, allowing owners to personalize their boat according to their specific preferences and needs, whether it’s seating configurations, colors, or additional amenities.
Durable Construction: Built with high-quality materials, the Grand Mariner 250 is designed for longevity and can withstand various water conditions, ensuring reliability over the years.
Cons
Price Point: As a premium vessel, the Harris Grand Mariner 250 comes with a higher price tag, which may be a consideration for budget-conscious buyers.
Maintenance Costs: Like many luxury boats, maintenance can be more expensive due to the quality of materials and systems used, which may require specialized care.
Weight and Size: The larger size of the Grand Mariner 250 can make it more challenging to tow and store, particularly for those with limited driveway space or lighter towing vehicles.
Availability of Features: Some advanced features may only be available as add-ons or in higher-tier packages, which could increase the overall cost if you desire all the latest gadgets and amenities.
Fuel Consumption: Depending on the engine choice and usage, the boat's performance may come at the cost of fuel efficiency, particularly at higher speeds or during extensive recreational use.
Made For
The 2026 Harris Grand Mariner 250 is designed for those who crave luxury and performance on the water. Perfect for families, social gatherings, and leisurely day trips, this pontoon boat appeals to those who appreciate both style and functionality. It caters to boating enthusiasts who value spaciousness, comfort, and advanced features. Whether you're an avid entertainer, a water sports lover, or simply looking to unwind on the lake, the Grand Mariner 250 has the versatility and amenities to elevate your boating experience. Ideal for creating unforgettable memories with friends and family, this boat is crafted for those who desire the finer things in life while embracing the joys of the great outdoors.
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 2026 Harris Grand Mariner 250 | ||||||
|---|---|---|---|---|---|---|
| Price | Price on request | Price on request | Price on request | Price on request | Price on request | Price on request |
| Location | Lewisville | New Braunfels | Lewisville | Lewisville | Austin | New Braunfels |
| Nominal Length | 25' | 25' | 25' | 25' | 23' | 23' |
| Draft | 2' | - | - | - | - | - |
| Engine Make | MERCURY | MERCURY | MERCURY | MERCURY | Mercury | MERCURY |
| Total Engine Power | 425 hp | - | 425 hp | 425 hp | - | - |
| Days on Market | 214 | 248 | 116 | 8 | 22 | 51 |
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Boat Location
Contact MarineMax Dallas about 2026 Harris Grand Mariner 250
1490 N. Stemmons Fwy, Lewisville, TX, 75067
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