2026 Harris Grand Mariner 250

$227,249

New

Boat in Seabrook, TX 77586 US

builtBuilt in 2026
Year the boat was built
model

Grand Mariner 250

Boat model
engine

1 Engine (MERCURY)

Engine type and count
length

25 feet

Overall boat length
fuel

Gas

Fuel type
material

Other

Hull material
Nominal Length
25ft
Length Overall
28ft
Beam
8.5ft
Max Draft
1.75ft
Dry Weight
3527lb
Fuel Tanks
28gal
Hull Material
other
Hull Shape
other
Engine 1
Engine Make
MERCURY
Engine Model
400 VDO V10 AMS
Total Power
400hp
Fuel Type
gasoline

Price History

DateEventPrice
5/20/26Price increased$227,249
10/8/25Initial pricePrice on request

Videos from MarineMax Houston on this 2026 Harris Grand Mariner 250

Contact MarineMax Houston

Seabrook, TX, 77586

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.

Overview from around the web 2026 Harris Grand Mariner 250

Customers are praising the 2026 Harris Grand Mariner 250 for its spacious and comfortable layout, making it perfect for family outings and entertaining guests

Many highlight the smooth and stable ride, attributing it to the boat's advanced pontoon design and quality construction. The premium materials and attention to detail in the upholstery and finishes receive frequent compliments, reflecting the boat’s luxury feel. Additionally, users appreciate the ample storage space and versatile seating configurations, which enhance convenience and adaptability on the water. Overall, owners commend the Grand Mariner 250 for blending performance, style, and comfort in one impressive package.

The Biggest Pros and Cons

The 2026 Harris Grand Mariner 250 offers several advantages and a few considerations to keep in mind:

Pros

Spacious Layout: Designed with ample seating and open deck space, perfect for entertaining family and friends.

Smooth Ride: Features advanced hull design that provides excellent stability and a comfortable ride even in choppy waters.

Modern Amenities: Equipped with updated features such as premium upholstery, a high-quality sound system, and convenient storage options.

Fuel Efficiency: Engineered for efficient fuel consumption without sacrificing performance.

Versatility: Ideal for a variety of water activities, including cruising, fishing, and watersports.

Cons

Price Point: Positioned at a higher price range, which may be a consideration for budget-conscious buyers.

Size Limitations: While spacious, the 25-foot length may feel compact for larger groups or extended trips.

Engine Options: Limited engine choices compared to some competitors, which might affect personalization preferences.

Maintenance: As with many premium pontoon boats, upkeep and maintenance costs can be on the higher side.

Made For

The 2026 Harris Grand Mariner 250 is perfect for boating enthusiasts who seek a versatile and stylish pontoon boat designed for both relaxation and adventure. Ideal for families, social gatherings, and water sports lovers, this model offers spacious seating, premium comfort, and advanced features that cater to those who want to enjoy leisurely cruises, fishing trips, or lively days on the water with friends and loved ones. Whether you're looking for a reliable vessel for weekend outings or a luxurious platform for entertaining, the Grand Mariner 250 meets the needs of those who value quality, performance, and elegance on the water.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2026 Harris Grand Mariner 250. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Pontoon cost in today's market, or how much does a Harris cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$1,439.03/mo
$
$
%
Principal Loan Amount$ 193,162
Total Payment$345,366.48

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2026 Harris Grand Mariner 250. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Pontoon cost in today's market, or how much does a Harris cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
Monthly payment
$1,439.03/mo
$
$
%
Principal Loan Amount$ 193,162
Total Payment$345,366.48

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SeabrookLewisvilleLewisvilleLewisvilleLewisvilleLewisville
25'23'23'23'25'25'
2'-----
MERCURYMERCURYMERCURYMERCURYMERCURYMERCURY
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Address

Seabrook, TX 77586

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