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 225974) 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
Performance & Mechanical
- 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.
Exterior & Deck
- 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 and two additional 8.8" fenders with straps for simplified docking.
Interior & Comfort
- SLDH Layout & Chestnut Brown: Features the Single Rear-Facing Lounger (SL) paired with Dual Helm Seats (DH), finished in Luxury Chestnut Brown upholstery with striking 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 Woodgrain Luxury Sport Table, an Upgraded Black Acrylic Table, and a Chaise End Flip-Up Table, offering multiple zones for dining and drinks.
- Ultra Luxury High Back Helm Seats: Matching upgraded captain and co-captain chairs on a Raised Helm platform, ensuring both the driver and companion have an unobstructed view over the bow.
Helm & Electronics
- 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!
Price History
| Date | Event | Price |
|---|---|---|
| 11/2/26 | Initial price | $188,800 |
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 enthusiastic feedback from customers, highlighting a range of impressive features that enhance their on-water experiences
Many boaters praise its spacious and luxurious layout, which comfortably accommodates family and friends. The plush seating, versatile configurations, and ample storage space allow for both relaxation and entertaining on the water. Customers are particularly taken with the state-of-the-art sound system, providing an immersive audio experience perfect for gatherings or just enjoying music while cruising. The customizable options also receive accolades, allowing owners to tailor their boats to fit their personal style and preferences. Performance is a common theme in customer reviews, with many noting the smooth ride and stability even in choppy conditions. The advanced engineering and powerful outboard options contribute to a responsive and exhilarating driving experience, making each outing a memorable one. Moreover, the attention to detail in the construction quality, from the marine-grade materials to the sleek, modern aesthetics, has led customers to express confidence in the durability and longevity of their investment. Overall, the 2026 Harris Grand Mariner 250 captivates customers with its blend of luxury, performance, and customizable options, making it a sought-after choice for those looking to elevate their boating adventures.
Made For
The 2026 Harris Grand Mariner 250 is designed for those who seek a perfect blend of luxury, performance, and versatility on the water. Ideal for families, socialites, and recreational boaters alike, this exceptional pontoon boat caters to a wide range of boating lifestyles. Whether you're hosting a gathering of friends, enjoying a leisurely cruise with loved ones, or engaging in active water sports, the Grand Mariner 250 delivers. Its spacious layout, premium seating, and top-of-the-line amenities make it a haven for relaxation and entertainment. For avid anglers, the boat also offers features that enhance fishing experiences, while adventurous explorers will appreciate its robust construction and powerful engine options that make navigating various waters a breeze. With the 2026 Harris Grand Mariner 250, experiences on the water are elevated, making it the quintessential choice for anyone looking to create lasting memories while enjoying the great outdoors.
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 2026 Harris Grand Mariner 250 | ||||||
|---|---|---|---|---|---|---|
| Price | $188,800 | $186,885 | $192,657 | $182,553 | $202,632 | $173,430 |
| Location | Lewisville | Seabrook | Houston | Houston | Lewisville | Lewisville |
| Nominal Length | 25' | 25' | 25' | 25' | 25' | 23' |
| Draft | 2' | - | - | - | - | - |
| Engine Make | MERCURY | MERCURY | - | - | MERCURY | MERCURY |
| Total Engine Power | 425 hp | 400 hp | - | - | 425 hp | 350 hp |
| Days on Market | 3 | 392 | 67 | 70 | 169 | 140 |
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Other 2026 Harris Grand Mariner 250 For Sale in Texas, United States
Other Harris Grand Mariner 250 boats for sale in Texas, United States
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Boat Location
Contact MarineMax Dallas about 2026 Harris Grand Mariner 250
Lewisville, TX, 75067
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