Pre launch. Real captured inventory shown for review, behind the site password. Nothing here is public.
Captured from the listing party's own published source
2026 Harris 230 Grand Mariner
Harris 230 Grand MarinerExperience the perfect harmony of style, performance, and comfort aboard the all-new 2026 Harris 230GM , available now at MarineMax Grand Lake on Monkey Island, OK. Crafted with precision engineering and refined design, this pontoon sets the standard for modern luxury on the lake—ideal for family adventures, social gatherings, or peaceful sunset cruises.
Key Specifications & Details
- Engine: Mercury 350 VDO V10 AMS outboard
- Trades: Trades considered (boats only)
- Location: Available at MarineMax Grand Lake
Performance & Mechanical
- High-output 350 hp V10 outboard for strong acceleration and excellent torque.
- Stable tri-toon configuration for smooth, confident handling.
- Maximum draft of approximately 1.75 ft for good maneuverability in shallower water.
Exterior & Deck
- Sleek 26 ft overall length with an 8.5 ft beam for a roomy deck.
- High-end finish and styling consistent with the Harris Grand Mariner line.
- Aluminum pontoon construction.
- Includes safety railing and a ski tow bar.
Interior & Comfort
- Plush, premium-grade vinyl seating likely with soft-touch finish (a hallmark of the Grand Mariner series).
- Spacious seating layout, probably a luxury lounger-style floorplan.
- Ample in-floor or under-seat storage typical for Harris pontoons.
- Includes a sunpad.
Helm & Electronics
- Premium helm seating.
- Steering wheel and dash built for comfort and control.
- Integrated audio system.
When you purchase this boat, you don’t just get a pontoon — you join the MarineMax family and benefit from our comprehensive support, making boating easy and enjoyable:
- Ready-to-Go: Delivered with a full fuel tank and a Go Boating Gear Kit filled with essentials.
- Financial Ease: Financing and insurance options tailored to your needs.
- Exceptional Service: Online scheduling for maintenance — keeping your boat in top shape.
- Expert Training: Boating classes and seminars to help you feel confident on the water.
- Community: Access exclusive events, Getaways!® trips, and connect with other MarineMax owners.
Model year
2026
Length overall
26 ft
Beam
8 ft 7 in
Hull
Other
Specification
As published by the listing party. Fields the listing did not publish are absent, not inferred.
Principal characteristics
Builder
Harris
Model
230 Grand Mariner
Class
Pontoon Boats
Model year
2026
Dimensions & hull
Length overall26 ft
Beam8 ft 7 in
Hull materialOther
Engine & propulsion
Engines1x MERCURY 350 VDO V10 AMS 350 hp
FuelGas
Published specifications
Length26 ft
Beam8 ft 7 in
Minimum Draft1 ft
Dry Weight3271.0 lbs
Engine Count1
Total Horse Power350 hp
Drive TypeOther
Fuel TypeGas
Max Speed26.0
MakeMERCURY
Model350 VDO V10 AMS
Fuel Capacity50.0 gal
Hull MaterialOther
ConditionNew
ClassPontoon Boats
Video & media
Published with this listing by the listing party.
More from MarineMax
All MarineMax inventory →Comparable vessels from the same dealer's inventory.




