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2012 Harris Grand Mariner SEL 250Sold

$35,000

Used
We will let you know when another 2012 Harris Grand Mariner SEL 250 is available in Denison, TX

Boat in Denison, TX 75020 US

builtBuilt in 2012
Year the boat was built
model

Grand Mariner SEL 250

Boat model
engine

1 Engine (Mercruiser)

Engine type and count
length

25 feet

Overall boat length
fuel

Gas

Fuel type
material

Aluminum

Hull material
Nominal Length
25ft
Length Overall
27.33ft
Beam
8.5ft
Dry Weight
3537lb
Max Capacity
2539
Seating Capacity
16
Fuel Tanks
81gal
Hull Material
aluminum
Hull Shape
pontoon
Engine 1
Engine Make
Mercruiser
Engine Model
350 Mag
Total Power
300hp
Engine Hours
205
Engine Type
inboard-outboard
Fuel Type
gasoline
Engine Year
2012
Drive Type
stern
Additional Information

Friends and family members of any age will find plenty to rave about aboard this pontoon deck boat. From a roomy swim platform to an aft lounger with flip-flop backrest, the unbeatable interior features include plenty of cup holders, an aft table and ample storage combined with a unique fence design…  AND, power to spare with both outboard and stern drive pontoon versions.

Spacious bow seating is perfect for those days when everyone comes to play. The optional jump seat can accommodate an extra person and offers storage space underneath. Specially placed speakers ensure you get the very most out of your Sony Gold stereo system while relaxing on the water.  This is a luxury boat with high performance and room for all your friends, family and gear for a fun day on the water.

Pontoon deck boats like this are made for swimming and water sports. With the custom four-step, telescoping ladder for easy access to the water and an extra stereo console, the Grand Mariner’s transom becomes a memory-making hub. Relax on the plush aft lounger or spacious sunlounge. The optional entertainment galley packs in all you need for onboard gatherings with Smart Storage, counter space and available sink.

The Grand Mariner’s stylish helm stand is the command center for fun. Pursue any of your favorite on-water activities with confidence knowing you’re backed up by reliable performance. Convenient and intuitive features that define the dash display are standard on our pontoon deck boats. Lighted toggle switches and an optional SmartCraft MercMonitor digital display make everything easier while keeping you in complete control.

The Grand Mariner SEL pontoon deck boat offers outstanding stern drive power up to 430 horsepower with easy access to the engine. Mix and match for a dozen fence color combinations. Try the bold full color paneling or spice it up with a sharp two-tone look.  Black Sapphire, Midnight Blue, Royal Garnet, Sandy Pearl and Blue Opal are the five base colors for the Grand Mariner.  Choose an optional accent graphics package to really make a statement out on the water. Choose Black Sapphire, Midnight Blue, Sandy Pearl, Royal Garnet or Platinum Silver.

The Grand Mariner comes in six models, the pontoon stern drive favorites 230 SEL and 250 SEL plus outboards 230 and 250 and lounger editions 230 SL and 250 SL.

Standard Features

Floorplans

SL Floorplan - single rear-facing lounger

Covers & Tops

Bimini, 11' (1.25" frame w. SST quick release)
Cover, mooring (E-Z Clip w. storage bag)

Helm Highlights

DC receptacle, 12 volt
Depthsounder, digital
Glovebox, lockable
Gauges, analog (tach, hour, trim, fuel, volt, speedo, depth)
Helm, built-in top storage unit
Speedometer (incl with performance pkgs)
Steering, tilt
Windscreen, removable

Comfort & Convenience

Lighting, courtesy
Battery disconnect switch, single (incl 1 battery tray)
Cleats, SST flip-up 5.5"
Rear Swim Deck (incl rear TPO)
Crossmembers, 16" (incl w/ PIII/XTR package)
Docking lights, LED cast aluminum pods
Cooler, 25qt
Cupholders, stainless steel
Ladder, 4-step telescoping (stern)
Fenders, quick release (2 fenders, 2 straps, 4 quick release)
Fire extinguisher, manual
Waste basket

Furniture & Flooring

Carpet, Regal
Flooring, TPO at rear
Furniture, rotational molded structural bases
Table, aft oval acrylic with molded drink holders
Seat, helm, Ultra Lux (highback recliner)

Performance & Handling

PIII Package (3rd tube, full skin kit, lifting strakes, 16" crossmembers)
PAS - Power assist steering (for Verado engines < 225hp)
Ski tow pylon, heavy-duty SST

Stereo & Sound

Sony Gold stereo (incl CD player, 6 spkrs, MP3/USB)
Stereo entertainment pkg (aft stereo control, MP3 dock, SST spkr covers)

Disclaimer

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Price History

DateEventPrice
7/10/25Initial price$35,000

Videos from Grandpappy Point Marina on this 2012 Harris Grand Mariner SEL 250

2012 Harris Grand Mariner SEL 250 Video Tours

Overview from around the web 2012 Harris Grand Mariner SEL 250

Customers praise the 2012 Harris Grand Mariner SEL 250 for its spacious and comfortable seating, making it ideal for family outings and entertaining guests

Many highlight the boat’s smooth ride and stability on the water, attributing this to its well-designed hull. Owners appreciate the quality craftsmanship and durable materials used throughout, noting that the boat holds up well over time. The powerful engine options provide reliable performance, while the ample storage compartments add convenience for day trips. Overall, users find the Harris Grand Mariner SEL 250 to be a versatile and enjoyable pontoon boat that delivers both comfort and performance.

The Biggest Pros and Cons

The 2012 Harris Grand Mariner SEL 250 offers a blend of luxury, performance, and versatility, making it a popular choice for boating enthusiasts. Here are some of the pros and cons to consider:

Pros

Spacious and Comfortable Layout: The Grand Mariner SEL 250 provides ample seating and lounging areas, perfect for entertaining family and friends on the water.

High-Quality Construction: Harris is known for its durable pontoon builds, and the 2012 model features sturdy materials and a solid design that ensures longevity.

Smooth Ride: With a well-designed hull and stable pontoons, this boat offers a smooth and comfortable ride even on choppy waters.

Powerful Performance: Equipped with reliable outboard engines, the SEL 250 delivers good speed and maneuverability.

Versatile Use: Suitable for fishing, cruising, watersports, or relaxing, the boat caters to a variety of recreational activities.

Attractive Styling: The sleek design and upscale finishes make the Grand Mariner SEL 250 stand out on the water.

Cons

Fuel Efficiency: Like many pontoon boats with larger engines, fuel consumption can be higher compared to smaller or less powerful models.

Storage Space: While spacious for passengers, storage compartments may be limited for extended trips or carrying large amounts of gear.

Limited Top Speed: Although powerful, the pontoon design prioritizes comfort and stability over high-speed performance.

Maintenance: The premium features and materials may require more attentive upkeep to maintain their appearance and functionality over time.

Made For

The 2012 Harris Grand Mariner SEL 250 is perfect for boating enthusiasts who value a blend of luxury, comfort, and performance. Ideal for families and friends looking to enjoy leisurely days on the water, it caters to those who appreciate spacious seating, smooth handling, and quality craftsmanship. Whether you're into relaxing cruises, entertaining guests, or watersports, this boat offers the versatility and style to meet your recreational boating needs.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2012 Harris Grand Mariner SEL 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
$397.24/mo
$
$
Loan amount$ 35,000
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2012 Harris Grand Mariner SEL 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
$397.24/mo
$
$
Loan amount$ 35,000
OR
%

Contact Grandpappy Point Marina

132 Grandpappy Drive, Denison, TX, 75020

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132 Grandpappy Drive
Denison, TX 75020

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