2025 Harris GRAND MARINER 250 Boat in Grand Haven, MI US
Built in 2025
GRAND MARINER 250
1 Engine (MERCURY)
25 feet
Gas
Aluminum
2025 Harris Grand Mariner 250 - Triple Tube | Mercury 400 Verado | 40 Hours
More than $10,000 invested after delivery, including extended engine warranty coverage through year eight, premium ceramic coating applied to the interior and exterior with warranty protection, and custom protective wraps installed to enhance both durability and appearance.
This 2025 Harris Grand Mariner 250 SLDH delivers flagship pontoon luxury paired with serious performance. Powered by a Mercury 400L Verado V10 and built on Harris' triple-tube performance chassis, it offers exceptional speed, handling, and stability on the water.
Finished in Black Sapphire with White Diamond accents and Black Edition powder-coated fencing, this boat features premium Cool Touch pillow-top upholstery in Chestnut Brown with Onyx accents and a spacious luxury layout designed for entertaining.
Factory Options & Features
• Mercury 400L Verado V10 outboard
• 3.25" triple-tube performance chassis with integrated ski tow bar
• Black Sapphire primary fence color
• White Diamond exterior accent package
• Black Edition powder-coated fencing
• Cool Touch Chestnut Brown pillow-top upholstery
• Onyx furniture accent package
• Dual Ultra Lux high-back helm seats
• Ion power-lift wake tower with bimini
• Deluxe Technology Package
• JL Audio Diamond premium stereo system with amplifier & speakers
• C-Zone interior and exterior lighting package
• Beachwalk Seagrass flooring (full deck)
• Stainless steel ski tow bar
• Stainless steel auto-retract swim ladder
• Convenience package with 8.8" fenders
• Woodgrain luxury sport table
• Chaise lounge flip-up table
• Removable windscreen
• Raised helm station
• In-floor storage lid (beige)
• Battery switch system
• American flag (dealer installed)
• Tran shield engine cover
- 8 year warranty on the motor....an additional added value of $6,395
- Seat and stain protection...an additional added value of $1,295
- Wrapped toons in a black carbon print.....an additional added value of $2,395
This boat has spent its entire life in Michigan freshwater and currently has only 40 hours, presenting in excellent condition.
A rare opportunity to own a near-new, fully optioned Harris Grand Mariner 250 without the wait of a factory order.
Price History
| Date | Event | Price |
|---|---|---|
| 6/18/26 | Price decreased | $149,000(-11.8%) |
| 3/6/26 | Initial price | $169,000 |
2025 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 2025 Harris GRAND MARINER 250
Customers are praising the 2025 Harris GRAND MARINER 250 for its spacious and comfortable design, making it perfect for family outings and entertaining guests
Many highlight the boat’s smooth handling and stable ride, even in choppier waters. The quality craftsmanship and attention to detail in the finishes have also received positive remarks. Additionally, users appreciate the ample storage options and versatile seating arrangements, which enhance the overall boating experience. Overall, the GRAND MARINER 250 is celebrated for combining luxury, performance, and practicality on the water.
The Biggest Pros and Cons
The 2025 Harris GRAND MARINER 250 offers a blend of luxury, performance, and versatility, making it a standout choice among premium pontoon boats. Here are some of the pros and cons to consider:
Pros
Spacious and Luxurious Design: The GRAND MARINER 250 boasts a wide beam and roomy layout, providing ample seating and comfort for family and guests.
High-Quality Construction: Built with durable materials and attention to detail, ensuring longevity and reliability on the water.
Powerful Performance: Equipped with a robust engine option, it delivers smooth handling and excellent speed for a pontoon of its size.
Advanced Features: Includes modern amenities such as premium sound systems, customizable seating arrangements, and upgraded helm controls.
Versatility: Suitable for various water activities, from leisurely cruising to entertaining and watersports.
Cons
Higher Price Point: As a luxury model, it comes with a premium price that may be beyond the budget of some buyers.
Size Limitations: While spacious, its size may limit access to smaller or more crowded waterways.
Fuel Consumption: Powerful engines may lead to increased fuel usage compared to smaller or less performance-oriented pontoons.
Maintenance Costs: Premium features and materials might require more specialized maintenance, potentially increasing upkeep expenses.
Made For
The 2025 Harris GRAND MARINER 250 is perfect for boating enthusiasts who seek a luxurious and spacious pontoon boat designed for both relaxation and entertainment. Ideal for families, friends, and anyone who enjoys cruising, fishing, or watersports in style and comfort, this model offers premium features and ample seating to accommodate gatherings on the water. Whether you're hosting social outings or enjoying peaceful days on the lake, the GRAND MARINER 250 provides the versatility and elegance to enhance every boating experience.
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 2025 Harris GRAND MARINER 250 | |||||
|---|---|---|---|---|---|
| $149,000 | $149,000 | $159,900 | $175,117 | $110,000 | $64,950 |
| Grand Haven | Grand Haven | Manitou Beach | Kewadin | Bellaire | Manitou Beach |
| 25' | 25' | 25' | 25' | 23' | 21' |
| MERCURY | MERCURY | Mercury | Mercury | - | Mercury |
| 400 hp | 400 hp | 350 hp | 425 hp | - | 150 hp |
| 108 | 111 | 230 | 60 | 20 | 193 |
Other 2025 Harris GRAND MARINER 250 For Sale in Michigan, United States
Other Harris GRAND MARINER 250 boats for sale in Michigan, United States
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Grand Haven, MI
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