2026 Harris Grand Mariner 250 Boat in Afton, OK 74331 US
Built in 2026
Grand Mariner 250
1 Engine (MERCURY)
25 feet
Gas
Other
MarineMax Grand Lake is proud to present the new 2026 Harris 250 Grand Mariner (Stock #213913), a pontoon boat that redefines luxury, performance, and style. This stunning vessel is designed for those who seek both thrill and elegance on the water, delivering high performance coupled with exquisite craftsmanship.
- Engine: Mercury 350 VR-DO Verado with DTS (Digital Throttle & Shift) and PAS (Power Assist Steering)
- Status: New pontoon
- Trades: Trades considered (boats only)
- Location: MarineMax Grand Lake
- High-performance triple-tube hull for excellent stability and handling.
- Mercury 350 hp Verado delivers strong acceleration and smooth throttle response.
- Power-assisted steering and advanced throttle control for precise, effortless maneuvering.
- In-floor ski / gear locker built into the center tube for clean and efficient storage.
- Electric "ION" power-lift tower with integrated bimini, controllable via key fob.
- Stylish and modern fencing design with a luxurious finish.
- Full LED lighting package (interior + exterior) for evening ambiance and style.
- Plush pillow-top seating in soft-touch vinyl for ultimate comfort.
- Aft sunpad with a reversible backrest (lounger mode or upright) for flexibility.
- Raised Ultra-Lux helm seats with superior support and ergonomic seating for both driver and co-pilot.
- Thoughtful under-seat storage throughout the deck to keep gear tucked away.
- Elevated helm station offers great visibility and a commanding view.
- C-Zone digital switching system for lights, pumps, and onboard systems.
- Optional dual Simrad NSX displays for navigation, system monitoring, and engine data.
- Premium JL Audio sound system with amplifier, subwoofer, and tower-mounted speakers.
When you purchase this 2026 Grand Mariner 250 from MarineMax, you're not just getting a pontoon - you're joining a community and getting support:
- Ready-to-Go: Delivered with a full fuel tank and Go Boating Gear Kit.
- Financial Ease: Flexible financing and insurance to suit your needs.
- Exceptional Service: Online scheduling for maintenance and service.
- Expert Training: Boating classes and seminars to get you comfortable and confident.
- Community: Access to owner events, Getaways!® trips, and a network of fellow MarineMax boaters.
Price History
| Date | Event | Price |
|---|---|---|
| 6/18/26 | Price decreased | $148,895(-31.8%) |
| 5/20/26 | Price increased | $218,335 |
| 8/11/25 | Initial price | Price on request |
Videos from MarineMax Grand Lake on this 2026 Harris Grand Mariner 250
2026 Harris Grand Mariner 250 Video Tours
Boattest.com 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.
Rating: 4.2 out of 5
Overview from around the web 2026 Harris Grand Mariner 250
Customers have been raving about the 2026 Harris Grand Mariner 250 for its stunning design and exceptional performance on the water
Many praise the luxurious seating and spacious layout, which comfortably accommodates family and friends for memorable outings. The plush upholstery and stylish finishes create an inviting atmosphere that truly enhances the boating experience. Users frequently highlight the advanced technology and features that come standard with the Grand Mariner 250, such as the state-of-the-art sound system, integrated navigation, and user-friendly controls. The exceptional handling and smooth ride are also frequently noted, making it a pleasure to cruise at any speed. Additionally, boaters appreciate the variety of customizable options available, allowing them to tailor the vessel to their specific needs and preferences. Overall, the 2026 Harris Grand Mariner 250 has garnered positive feedback for its blend of luxury, performance, and versatility, making it a standout choice for those looking to enjoy life on the water.
The Biggest Pros and Cons
Harris Grand Mariner 250 (2026) - Pros and Cons
Pros
Luxurious Design: The Harris Grand Mariner 250 boasts a sophisticated and elegant design, featuring premium materials and finishes that enhance comfort and style.
Spacious Layout: With ample seating and a well-thought-out layout, this pontoon offers plenty of space for family and friends, making it perfect for socializing and entertaining.
Advanced Technology: Equipped with modern technology, including an integrated sound system and advanced navigation features, the Grand Mariner 250 ensures a smooth and enjoyable on-water experience.
Performance Options: The boat offers a range of powerful engine options, allowing for excellent performance and handling, whether cruising leisurely or making quick excursions.
Smooth Ride: The hull design is engineered for stability and smooth rides, even in choppy waters, ensuring comfort for all passengers.
Customization: Harris provides a variety of customization options, enabling buyers to tailor the boat to their specific needs and preferences, from layout to color schemes.
Durability: Built with high-quality materials, the Grand Mariner 250 is designed to endure the rigors of marine environments, ensuring long-lasting performance and value.
Cons
Price Point: The luxurious features and build quality come with a higher price tag, which might be a consideration for budget-conscious buyers.
Size and Weight: While the spacious design is an advantage, the size and weight of the Grand Mariner 250 may limit ease of towing and storage options for some owners.
Fuel Efficiency: Depending on the engine choice, fuel consumption may be higher compared to lighter, smaller boats, impacting overall running costs.
Maintenance Costs: The premium materials and advanced technologies used in the boat may lead to higher maintenance costs compared to entry-level models.
Limited Off-Season Use: Being a recreational pontoon, the Grand Mariner 250 is primarily designed for warm-weather use, potentially resulting in lower utilization during colder months. The 2026 Harris Grand Mariner 250 is an exceptional choice for those seeking luxury and performance on the water, but potential buyers should weigh the pros and cons based on their needs and preferences.
Made For
The 2026 Harris Grand Mariner 250 is designed for those who seek the ultimate in luxury and performance on the water. It's perfect for boaters who appreciate spaciousness and comfort while entertaining friends and family. Whether you're planning leisurely afternoon cruises, lively gatherings, or serene sunset outings, this model caters to all your aquatic adventures. Its blend of style and functionality makes it ideal for families looking to create lasting memories, as well as avid anglers who value a versatile vessel. With top-of-the-line amenities and state-of-the-art technology, the Grand Mariner 250 is also suited for those who demand premium quality and a sophisticated experience on the water. Overall, it’s a choice for anyone who wants to elevate their boating lifestyle with elegance and ease.
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Boats For Sale in Oklahoma, United States Similar to the 2026 Harris Grand Mariner 250
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 2026 Harris Grand Mariner 250 | |||||
|---|---|---|---|---|---|
| $148,895 | $148,893 | $139,148 | $128,500 | $177,959 | $117,195 |
| Afton | Afton | Afton | Kingston | Grove | Afton |
| 25' | 25' | 23' | 25' | 25' | 25' |
| 2' | - | - | - | - | - |
| MERCURY | MERCURY | MERCURY | Mercury | - | Mercury |
| 350 hp | 350 hp | 350 hp | 400 hp | - | 300 hp |
| 315 | 315 | 259 | 18 | 155 | 97 |
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Meet the Broker
Address
Boat Location
Contact MarineMax Grand Lake about 2026 Harris Grand Mariner 250
Monkey Island, OK, 74331
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