Listed by Authorized Dealer
2027 Harris Grand Mariner 250 For Sale
Lake Hopatcong, NJ
Price on request
Takes less than a minute. Direct bank rates, no markup.
The 2027 Harris 250 Grand Mariner (70th Anniversary Edition) is a flagship luxury pontoon that merges massive offshore V10 power with bespoke anniversary styling and sports-focused tower architecture. Built on a high-capacity triple 27-inch tube chassis and powered by a 425HP Mercury V10 Verado, this "Premium Experience" build delivers exceptional big-water stability, rapid hole-shot acceleration, and superyacht-level hosting comfort.
• Engine: Mercury 425L Verado V10 (PAS/DTS)
• Status: Trailer is not included in the price.
• Trades: Trades considered (Boats only).
• Location: Available at MarineMax Lake Hopatcong
- Mercury 425L Verado V10 (PAS/DTS): A high-displacement 425-horsepower V10 powerhead featuring Digital Throttle & Shift (DTS) and Power Assist Steering (PAS) for instant throttle response, impressive top-end speed, and effortless helm control.
- Performance Level 3 Chassis (Triple 27"): Heavy-duty triple-tube package utilizing three 27-inch tubes equipped with lifting strakes and full-length keels for precise tracking, aggressive banking, and exceptional buoyancy.
- Salt Water Anodes & On-Shore Battery Charger: Factory-installed sacrificial anodes engineered to protect the aluminum chassis and motor bracket in brackish or salt water, backed by a dedicated charger for reliable dockside charging.
- Ski Tow Bar: A reinforced, heavy-duty stainless steel tow point engineered to support wakeboarding, water skiing, and high-stress tubing.
- 70th Anniversary Custom Styling: Exclusive Ceramic White primary panels paired with a Black Matte Accent stripe, custom White Edition Powder-Coated Fence with Black Rails, and anniversary design accents.
- White Rogue Power Lift Tower with Power Black Bimini: Electrically operated sports tower that raises or lowers at the touch of a button, integrated with a power black Bimini top and high-output Tower Can Speakers for overhead audio and shade.
- Gates & Hardware Upgrades: Outfitted with a Black Rear Gate & Bow Gate, upgraded 7" Pop-Up Black Cleats, an American Flag mount, and 2 Additional 8.8" Diameter Fenders with Straps for easy dockside tie-ups.
- Water Access: Features a low-strain Lillipad Easy Step Ladder at the stern for effortless re-entry from the water.
- SLDH Layout & 70th Anniversary Palette: Features the social Single Rear-Facing Lounger with Dual Helm Seats wrapped in exclusive Luxury Anniversary Gray Furniture complemented by custom 70th Anniversary Pillows.
- Slate Gray Woven Teak Flooring: Full-deck woven teak vinyl flooring providing a rich, non-slip surface that stays cool under direct sunlight and cleans up easily.
- Ultra Luxury Dual Helm Seats: Both the captain and first mate enjoy body-contoured, high-back helm chairs set on a Raised Helm Platform, paired with a Removable Windscreen, a Black Safety Rail, and an upgraded Black Acrylic Table.
- Deck Storage: Central in-floor storage compartment equipped with a dedicated Black In-Floor Storage Trash Can.
- Ultrawide NSX 15" Glass Dash: A massive 15-inch high-definition Simrad NSX touchscreen interface integrating digital switching, chartplotting, sonar, and full engine telemetry.
- JL Platinum Sound System & Tower Speakers: Top-tier high-output JL Audio marine sound package boosted by high-power Tower Can Speakers to project concert-quality audio far past the swim platform.
- Total Lighting Package (C-Zone): Fully integrated digital switching matrix granting centralized control over full-spectrum Interior and Exterior RGB LED lighting across the cupholders, seat bases, floor lanes, and underwater lines.
The MarineMax Advantage: Ownership Made Easy
When you purchase this boat, you don't just get a boat—you join the MarineMax family and benefit from our comprehensive support, making boating easy and enjoyable:
• Ready-to-Go: A full fuel tank upon purchase and a Go Boating Gear kit filled with essentials for safety on the water.
• Financial Ease: Hassle-free financing and insurance options.
• Exceptional Service: Convenient online scheduling for all your maintenance needs.
• Expert Training: Boating classes and seminars to build your confidence on the water.
• Community: Exclusive access to our Getaways!® trips and customer events, connecting you with a vibrant community of fellow boaters.
Contact Us Today! Visit us in-store at MarineMax to see the boat in person or contact us to schedule a demo ride!

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What This Boat Comes With
Information on this listing is provided in good faith by YachtWay and the listing broker/dealer, but accuracy is not guaranteed. All details are subject to change and buyers should independently verify specifications, condition, and availability before purchase.
Range Calculator
By YachtWaySet point A and point B on the map to plan a trip. Estimates use this hull's fuel curve, Mercury Verado 425 V10 and a 50 gal fuel tank.
This is an estimate based on available data and is intended for reference purposes only — not a guarantee of real-world performance. Actual range depends on load, sea state, and conditions.
Yacht Financing
By YachtWayFinancing a boat is not like financing a car. Terms run up to 20 years, down payments matter more, and the rate you see depends on the lender panel behind it.
Rates from 6.99% APR, updated with the market. Your rate depends on your credit profile and lender match.
Yacht Insurance
By YachtWayPlanning to buy this 2027 Harris Grand Mariner 250?
Get an instant insurance estimate for a Harris Grand Mariner 250 in Lake Hopatcong, US through MasterCover, backed by A-rated underwriters.

Deck Layout
Age
2027 model year. Build year and production period shape the asking price through age of systems, styling and the equipment fitted as standard.
Engine
Engine hours, service history and configuration are the largest mechanical factors in an asking price.
Options and features
Underwater Lights, Simrad, and Anchor Electric are fitted. Optional equipment, refits and onboard features are usually reflected in the asking price.
Other market factors
Location, tax and duty status, condition, service history and how many comparable hulls are for sale all move the asking price.
2027 Harris Grand Mariner 250
Price on request