Harris · Marina Mike’s
Harris Grand Mariner 250
Introducing the 2025 Harris Grand Mariner 250, a stunning new pontoon boat designed to elevate your on-water adventures to a whole new level.
Model Overview
Harris Grand Mariner 250
The Harris Grand Mariner 250 is a 2025 model, boasting a generous length of 28.25 feet. This spacious pontoon offers ample room for entertaining, relaxing, and enjoying the company of friends and family. With its sleek lines and contemporary styling, the Grand Mariner 250 is as visually impressive as it is functional. The black powder coat fence and SL/DH floorplan add a touch of sophistication, while the Moonlit Shoreline full flooring creates a welcoming atmosphere for every outing. Whether you’re cruising the lake or hosting a sunset gathering, this Harris boat for sale promises an unforgettable experience.
Length
28 '3"
Beam
8' 6"
Horsepower
350
Category
Pontoon
Engine Make
MERCURY
Built to Perform
Performance & Design
Under the hood, the Harris Grand Mariner 250 is powered by a single engine delivering an impressive 350 horsepower. With only 1 engine hour, this new pontoon boat is ready to provide years of reliable performance. The Verado (Mercury) power assist hydraulic hose ensures smooth and responsive handling, making navigation effortless even in challenging conditions. The 3 Tube Black rubrail kit enhances stability and durability, allowing you to glide across the water with confidence. Whether you’re seeking speed or a leisurely cruise, the Grand Mariner 250 offers the perfect balance of power and control.
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The Marina Mike’s Difference
Why Buy From Marina Mike’s
Unmatched Expertise
Our knowledgeable team brings decades of combined boating experience to guide you through every purchase, service, and adventure on the water.
Curated Brand Selection
We offer a hand-picked lineup of top-tier boats, pontoons, and yachts, ensuring quality, performance, and style in every choice.
Full-Service Convenience
From maintenance and storage to prep and detailing, our full-service approach keeps your boat ready for effortless enjoyment all year.
Lifestyle & Community
We go beyond boats—creating a welcoming marine community with events, expert advice, and experiences that connect you to the water lifestyle.
Get On the Water Faster
Financing & Trade-In
Competitive marine financing with same-day pre-approval available. Or trade in your current boat and apply the value toward your Harris Grand Mariner 250.
The Family
